23431532459 has 2 divisors, whose sum is σ = 23431532460. Its totient is φ = 23431532458.

The previous prime is 23431532401. The next prime is 23431532539. The reversal of 23431532459 is 95423513432.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23431532459 is a prime.

It is not a weakly prime, because it can be changed into another prime (23431532959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11715766229 + 11715766230.

It is an arithmetic number, because the mean of its divisors is an integer number (11715766230).

Almost surely, 2^23431532459 is an apocalyptic number.

23431532459 is a deficient number, since it is larger than the sum of its proper divisors (1).

23431532459 is an equidigital number, since it uses as much as digits as its factorization.

23431532459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 41.

The spelling of 23431532459 in words is "twenty-three billion, four hundred thirty-one million, five hundred thirty-two thousand, four hundred fifty-nine".