21323022302330 has 128 divisors (see below), whose sum is σ = 44501386355712. Its totient is φ = 7205371342848.

The previous prime is 21323022302287. The next prime is 21323022302383. The reversal of 21323022302330 is 3320322032312.

It is a self number, because there is not a number n which added to its sum of digits gives 21323022302330.

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, 5542764467 + ... + 5542768313.

It is an arithmetic number, because the mean of its divisors is an integer number (347667080904).

Almost surely, 2^{21323022302330} is an apocalyptic number.

21323022302330 is an abundant number, since it is smaller than the sum of its proper divisors (23178364053382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21323022302330 is a wasteful number, since it uses less digits than its factorization.

21323022302330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7728.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 21323022302330 its reverse (3320322032312), we get a palindrome (24643344334642).

The spelling of 21323022302330 in words is "twenty-one trillion, three hundred twenty-three billion, twenty-two million, three hundred two thousand, three hundred thirty".