63326823231 has 32 divisors (see below), whose sum is σ = 99146073600. Its totient is φ = 35194525056.

The previous prime is 63326823227. The next prime is 63326823251. The reversal of 63326823231 is 13232862336.

It is not a de Polignac number, because 63326823231 - 2² = 63326823227 is a prime.

It is a super-2 number, since 2×63326823231² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63326823231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63326823221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2082025 + ... + 2112221.

It is an arithmetic number, because the mean of its divisors is an integer number (3098314800).

Almost surely, 2^63326823231 is an apocalyptic number.

63326823231 is a deficient number, since it is larger than the sum of its proper divisors (35819250369).

63326823231 is a wasteful number, since it uses less digits than its factorization.

63326823231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32943.

The product of its digits is 186624, while the sum is 39.

The spelling of 63326823231 in words is "sixty-three billion, three hundred twenty-six million, eight hundred twenty-three thousand, two hundred thirty-one".