23670631 has 4 divisors (see below), whose sum is σ = 24023992. Its totient is φ = 23317272.

The previous prime is 23670617. The next prime is 23670659. The reversal of 23670631 is 13607632.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23670631 - 2⁷ = 23670503 is a prime.

It is a super-2 number, since 2×23670631² = 1120597543876322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23670631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23670601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176580 + ... + 176713.

It is an arithmetic number, because the mean of its divisors is an integer number (6005998).

Almost surely, 2^23670631 is an apocalyptic number.

23670631 is a deficient number, since it is larger than the sum of its proper divisors (353361).

23670631 is an equidigital number, since it uses as much as digits as its factorization.

23670631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353360.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 23670631 is about 4865.2472701806. The cubic root of 23670631 is about 287.1242971499.

The spelling of 23670631 in words is "twenty-three million, six hundred seventy thousand, six hundred thirty-one".