23660631 has 12 divisors (see below), whose sum is σ = 34822008. Its totient is φ = 15475824.

The previous prime is 23660627. The next prime is 23660633. The reversal of 23660631 is 13606632.

23660631 is a `hidden beast` number, since 23 + 6 + 6 + 0 + 631 = 666.

It is not a de Polignac number, because 23660631 - 2² = 23660627 is a prime.

It is a super-2 number, since 2×23660631² = 1119650918636322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23660595 and 23660604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23660633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24325 + ... + 25278.

It is an arithmetic number, because the mean of its divisors is an integer number (2901834).

Almost surely, 2^23660631 is an apocalyptic number.

23660631 is a deficient number, since it is larger than the sum of its proper divisors (11161377).

23660631 is a wasteful number, since it uses less digits than its factorization.

23660631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49662 (or 49659 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 23660631 is about 4864.2194646212. The cubic root of 23660631 is about 287.0838581857.

The spelling of 23660631 in words is "twenty-three million, six hundred sixty thousand, six hundred thirty-one".