23364621631 has 12 divisors (see below), whose sum is σ = 25455398088. Its totient is φ = 21435002784.

The previous prime is 23364621593. The next prime is 23364621647. The reversal of 23364621631 is 13612646332.

It is not a de Polignac number, because 23364621631 - 2¹⁷ = 23364490559 is a prime.

It is a super-2 number, since 2×23364621631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23364621031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 396540 + ... + 451633.

It is an arithmetic number, because the mean of its divisors is an integer number (2121283174).

Almost surely, 2^23364621631 is an apocalyptic number.

23364621631 is a deficient number, since it is larger than the sum of its proper divisors (2090776457).

23364621631 is a wasteful number, since it uses less digits than its factorization.

23364621631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848362 (or 848349 counting only the distinct ones).

The product of its digits is 93312, while the sum is 37.

The spelling of 23364621631 in words is "twenty-three billion, three hundred sixty-four million, six hundred twenty-one thousand, six hundred thirty-one".