how to write in English for $123,456. Thanks !?

We can write it as

one hundred twenty-three thousand four hundred fifty-six dollars

OR

one hundred and twenty-three thousand, four hundred and fifty-six dollars.

“AND” shouldnt be put it between thousand and four.

One hundred twenty-three thousand and four hundred fifty-six dollars only

One hundred twenty-three thousand and four hundred fifty-six dollars only.

One hundred twenty-three thousand, four hundred and fifty-six dollars only.      

One hundred twenty-three thousand and four hundred fifty-six dollars only

One hundred twenty-three thousand and four hundred fifty-six dollars only

One hundred twenty-three thousand and four hundred fifty-six dollars.

one hundred twenty three thousand and four hundred fifty six 

One Hundred Twenty-Three Thousand Four Hundred Fifty-Six and 00/100.

One hundred twenty three thousand and four hundred fifty six dollars.