Variablename as a numeric number

Question

can a variable be called as an integer (int 23=4;////$4=6;...) if yes then in what languages

Answer 1

I think it's not possible, unless in the lenguages I've seen here (the only ones I actually know)

Answer 2

No it can't because it will create logical issues on code..

Answer 3

No. You can only have numbers after letters, in the majority of languages.
int a5 = 5;

Answer 4

thx