23131029959 has 2 divisors, whose sum is σ = 23131029960. Its totient is φ = 23131029958.

The previous prime is 23131029953. The next prime is 23131029997. The reversal of 23131029959 is 95992013132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23131029959 - 2²⁴ = 23114252743 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23131029953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565514979 + 11565514980.

It is an arithmetic number, because the mean of its divisors is an integer number (11565514980).

Almost surely, 2^23131029959 is an apocalyptic number.

23131029959 is a deficient number, since it is larger than the sum of its proper divisors (1).

23131029959 is an equidigital number, since it uses as much as digits as its factorization.

23131029959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131220, while the sum is 44.

The spelling of 23131029959 in words is "twenty-three billion, one hundred thirty-one million, twenty-nine thousand, nine hundred fifty-nine".