23970931 has 8 divisors (see below), whose sum is σ = 24876320. Its totient is φ = 23079168.

The previous prime is 23970929. The next prime is 23970959. The reversal of 23970931 is 13907932.

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

It is a cyclic number.

It is not a de Polignac number, because 23970931 - 2¹ = 23970929 is a prime.

It is a super-2 number, since 2×23970931² = 1149211066013522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23970911) 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, 250 + ... + 6928.

It is an arithmetic number, because the mean of its divisors is an integer number (3109540).

Almost surely, 2^23970931 is an apocalyptic number.

23970931 is a deficient number, since it is larger than the sum of its proper divisors (905389).

23970931 is an equidigital number, since it uses as much as digits as its factorization.

23970931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6813.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 23970931 is about 4896.0117442670. The cubic root of 23970931 is about 288.3334093651. Note that the first 3 decimals are identical.

The spelling of 23970931 in words is "twenty-three million, nine hundred seventy thousand, nine hundred thirty-one".