Il numero 523, cinquecentoventitré in Italiano, in Inglese si dice five hundred twenty-three.
Il numero ordinale 523° in inglese si dice five hundred twenty-third.
514: five hundred fourteen
515: five hundred fifteen
516: five hundred sixteen
517: five hundred seventeen
518: five hundred eighteen
519: five hundred nineteen
520: five hundred twenty
521: five hundred twenty-one
522: five hundred twenty-two
524: five hundred twenty-four
525: five hundred twenty-five
526: five hundred twenty-six
527: five hundred twenty-seven
528: five hundred twenty-eight
529: five hundred twenty-nine
530: five hundred thirty
531: five hundred thirty-one
532: five hundred thirty-two