how to mark the periods in international system?

 we can mark the periods in international number system by putting the commas after every 3 numbers.i.e.-

  123,657,880

ones-0

tens-8

hundreds-8

thousands-7

ten thousand-5

hundred thousand-6

million-3

ten million-2

hundred million-1

that means-

one hundred and twenty three million,six hundred and fifty seven hundred thousand,eight hundred and eighty