What number is mark Cuban in the forbes top 400 richest men in the world?

As of my last knowledge update in October 2023, Mark Cuban was ranked 177th on Forbes' list of the 400 richest people in the world, with an estimated net worth of around $5 billion. However, rankings and net worth can fluctuate over time due to changes in investments and market conditions. For the most current information, it's best to check the latest Forbes rankings directly.