23066631 has 24 divisors (see below), whose sum is σ = 39736320. Its totient is φ = 12607056.

The previous prime is 23066623. The next prime is 23066653. The reversal of 23066631 is 13666032.

It is not a de Polignac number, because 23066631 - 2³ = 23066623 is a prime.

It is a super-2 number, since 2×23066631² = 1064138931380322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23066595 and 23066604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23066431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6511 + ... + 9408.

It is an arithmetic number, because the mean of its divisors is an integer number (1655680).

Almost surely, 2^23066631 is an apocalyptic number.

23066631 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23066631 is a deficient number, since it is larger than the sum of its proper divisors (16669689).

23066631 is a wasteful number, since it uses less digits than its factorization.

23066631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15955 (or 15952 counting only the distinct ones).

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

The square root of 23066631 is about 4802.7732613564. The cubic root of 23066631 is about 284.6610559718.

The spelling of 23066631 in words is "twenty-three million, sixty-six thousand, six hundred thirty-one".