23668556631 has 8 divisors (see below), whose sum is σ = 31568980464. Its totient is φ = 15773585280.

The previous prime is 23668556623. The next prime is 23668556687. The reversal of 23668556631 is 13665586632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23668556631 - 2³ = 23668556623 is a prime.

It is a super-2 number, since 2×23668556631² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23668556621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1352980 + ... + 1370361.

It is an arithmetic number, because the mean of its divisors is an integer number (3946122558).

Almost surely, 2^23668556631 is an apocalyptic number.

23668556631 is a deficient number, since it is larger than the sum of its proper divisors (7900423833).

23668556631 is a wasteful number, since it uses less digits than its factorization.

23668556631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726241.

The product of its digits is 4665600, while the sum is 51.

The spelling of 23668556631 in words is "twenty-three billion, six hundred sixty-eight million, five hundred fifty-six thousand, six hundred thirty-one".