I knew a man who was in his mid 20s and still a virgin. Basically had no friends his whole life. I'm not %100 clear on his backstory(he was not a close personal friend). He was living on welfare, had no job, no friends, no car, nothing(I don't think he was homeless).
I met him about three years after he decided to turn things around. He started off pretty modest. He started taking some classes at a local trade school. He got a job about a year later. Just had a few friends at this point. I think he dated one girl, but no sex. Then, not too long after the job, he got his first girlfriend. He showed me a picture, and she was cute. Nothing special, but a lot better than your hand
When I met him, he was still poor as fuck(may still be), but he had a good number of friends, and his girl was pretty and smart. At that point, I think he'd only slept with a few women, but it was a huge turn around from a guy who was disabled and almost in a wheelchair.
The old picture of him, bore little resemblance to what he looked like then. Acne was gone. Skin tone cleared up. He must have dropped 30-40 lbs of fat and picked up 25lbs of muscle. Fashion was vastly improved. Ill fitting tshirt and sweatpants to fitted Diesel dress shirts, and True Religion jeans. Despite being three years older, he looked about six years younger than before.
23 is not even close to too old to turn everything around. 43 is getting close, but you have a good two decades to go
Most people squander their college years anyway. You're not much behind the pack at all. And it doesn't take much to close the gap and pass the stragglers. As a matter of money and power... I wouldn't be planning on a billion dollar estate. But a good upper middle class income is easily doable. If you're poor now, you'd be surprised how much even a bottom six figure income can get you.