Don't use RSA in 2023.

But if you must use RSA, please don't use RSA directly to encrypt messages: https://soatok.blog/2021/01/20/please-stop-encrypting-with-rsa-directly/

If you want to go above and beyond, here's some more things to think about:

https://soatok.blog/2022/02/09/using-rsa-securely-in-2022/