The preferred version is five hundred three, but both are correct.
375.Thts how you write three hundred seventy-five.
0.503
375
It is: 3,500,000
Three hundred sixty-five million six hundred.
nine hundred and five thousand, two hundred and three
three hundred two thousand five hundred twenty five
The number 503010 can be written in words as "five hundred three thousand ten."
5,000.00023
$375,000
three thousand, five hundred two.
Three hundred twenty-five thousand.