323155646551323 has 16 divisors (see below), whose sum is σ = 491688271030560. Its totient is φ = 209614473438048.

The previous prime is 323155646551291. The next prime is 323155646551349.

323155646551323 is a `hidden beast` number, since 3 + 2 + 3 + 1 + 5 + 5 + 64 + 6 + 551 + 3 + 23 = 666.

323155646551323 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 323155646551323 - 2⁵ = 323155646551291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 323155646551323.

It is not an unprimeable number, because it can be changed into a prime (323155646551223) 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, 161739561840 + ... + 161739563837.

It is an arithmetic number, because the mean of its divisors is an integer number (30730516939410).

Almost surely, 2^{323155646551323} is an apocalyptic number.

323155646551323 is a deficient number, since it is larger than the sum of its proper divisors (168532624479237).

323155646551323 is a wasteful number, since it uses less digits than its factorization.

323155646551323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323479125723 (or 323479125717 counting only the distinct ones).

The product of its digits is 29160000, while the sum is 54.

The spelling of 323155646551323 in words is "three hundred twenty-three trillion, one hundred fifty-five billion, six hundred forty-six million, five hundred fifty-one thousand, three hundred twenty-three".