converting numbers into words

[jladasky at itu.edu]

On Wednesday, November 8, 2017 at 10:51:35 PM UTC-8, r16... at rguktrkv.ac.in wrote:
> How can I covert numbers into word like ex:-123 One hundred twenty three?

That's a classic homework exercise.  Expect guidance, not an answer.

Why don't you solve a related, but simpler task first?  This is a good approach to learning computer programming.  Write a program that accepts a single digit as input, and outputs the corresponding word.  Post the code here.