23870131 has 2 divisors, whose sum is σ = 23870132. Its totient is φ = 23870130.

The previous prime is 23870083. The next prime is 23870149. The reversal of 23870131 is 13107832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23870131 - 2⁷ = 23870003 is a prime.

It is a super-2 number, since 2×23870131² = 1139566307914322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23870096 and 23870105.

It is not a weakly prime, because it can be changed into another prime (23870191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11935065 + 11935066.

It is an arithmetic number, because the mean of its divisors is an integer number (11935066).

Almost surely, 2^23870131 is an apocalyptic number.

23870131 is a deficient number, since it is larger than the sum of its proper divisors (1).

23870131 is an equidigital number, since it uses as much as digits as its factorization.

23870131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 23870131 is about 4885.7068065941. The cubic root of 23870131 is about 287.9286852424.

Adding to 23870131 its reverse (13107832), we get a palindrome (36977963).

The spelling of 23870131 in words is "twenty-three million, eight hundred seventy thousand, one hundred thirty-one".