My gmail hacked Change Apple ID

You can change your Apple ID Mail Address by following the steps in these articles:

Change your Apple ID - Apple Support

What to do after you change your Apple ID or password - Apple Support

If you are having troubles receiving the code for the Two-Factor-Authorization, you should try to contact Apple ID Support about that. Only the can look into your personal settings:

Get Apple ID Support

Or give them a call:

United States

1-800-275-2273

Link to contact Apple Support in the article.

Apple ID has been compromised.      

Security and your Apple ID.     

Checklist: If you want to see if anyone else has access to your device or accounts