23459531 has 2 divisors, whose sum is σ = 23459532. Its totient is φ = 23459530.

The previous prime is 23459519. The next prime is 23459587. The reversal of 23459531 is 13595432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23459531 - 2¹⁸ = 23197387 is a prime.

It is a super-2 number, since 2×23459531² = 1100699189479922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23452531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11729765 + 11729766.

It is an arithmetic number, because the mean of its divisors is an integer number (11729766).

Almost surely, 2^23459531 is an apocalyptic number.

23459531 is a deficient number, since it is larger than the sum of its proper divisors (1).

23459531 is an equidigital number, since it uses as much as digits as its factorization.

23459531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 32.

The square root of 23459531 is about 4843.5040002048. The cubic root of 23459531 is about 286.2682008221.

The spelling of 23459531 in words is "twenty-three million, four hundred fifty-nine thousand, five hundred thirty-one".