23270931 has 6 divisors (see below), whose sum is σ = 33613580. Its totient is φ = 15513948.

The previous prime is 23270887. The next prime is 23270941. The reversal of 23270931 is 13907232.

It is not a de Polignac number, because 23270931 - 2⁹ = 23270419 is a prime.

It is a super-2 number, since 2×23270931² = 1083072459213522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23270895 and 23270904.

It is not an unprimeable number, because it can be changed into a prime (23270941) 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 5 ways as a sum of consecutive naturals, for example, 1292821 + ... + 1292838.

Almost surely, 2^23270931 is an apocalyptic number.

23270931 is a deficient number, since it is larger than the sum of its proper divisors (10342649).

23270931 is a wasteful number, since it uses less digits than its factorization.

23270931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585665 (or 2585662 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 23270931 is about 4823.9953358186. The cubic root of 23270931 is about 285.4989965439.

The spelling of 23270931 in words is "twenty-three million, two hundred seventy thousand, nine hundred thirty-one".