323130322233221 has 16 divisors (see below), whose sum is σ = 326464384903488. Its totient is φ = 319798915872000.

The previous prime is 323130322233149. The next prime is 323130322233247. The reversal of 323130322233221 is 122332223031323.

It is a cyclic number.

It is not a de Polignac number, because 323130322233221 - 2¹⁸ = 323130321971077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323130322233281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8545915406 + ... + 8545953216.

It is an arithmetic number, because the mean of its divisors is an integer number (20404024056468).

Almost surely, 2^{323130322233221} is an apocalyptic number.

It is an amenable number.

323130322233221 is a deficient number, since it is larger than the sum of its proper divisors (3334062670267).

323130322233221 is a wasteful number, since it uses less digits than its factorization.

323130322233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70612.

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 323130322233221 its reverse (122332223031323), we get a palindrome (445462545264544).

The spelling of 323130322233221 in words is "three hundred twenty-three trillion, one hundred thirty billion, three hundred twenty-two million, two hundred thirty-three thousand, two hundred twenty-one".