321324223402 has 128 divisors (see below), whose sum is σ = 642733056000. Its totient is φ = 116879625216.

The previous prime is 321324223391. The next prime is 321324223447. The reversal of 321324223402 is 204322423123.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29749599 + ... + 29760397.

It is an arithmetic number, because the mean of its divisors is an integer number (5021352000).

Almost surely, 2^321324223402 is an apocalyptic number.

321324223402 is an abundant number, since it is smaller than the sum of its proper divisors (321408832598).

321324223402 is a wasteful number, since it uses less digits than its factorization.

321324223402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11060.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 321324223402 its reverse (204322423123), we get a palindrome (525646646525).

The spelling of 321324223402 in words is "three hundred twenty-one billion, three hundred twenty-four million, two hundred twenty-three thousand, four hundred two".