23531510479 has 2 divisors, whose sum is σ = 23531510480. Its totient is φ = 23531510478.

The previous prime is 23531510467. The next prime is 23531510557. The reversal of 23531510479 is 97401513532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23531510479 - 2²³ = 23523121871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23531510179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11765755239 + 11765755240.

It is an arithmetic number, because the mean of its divisors is an integer number (11765755240).

Almost surely, 2^23531510479 is an apocalyptic number.

23531510479 is a deficient number, since it is larger than the sum of its proper divisors (1).

23531510479 is an equidigital number, since it uses as much as digits as its factorization.

23531510479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 23531510479 in words is "twenty-three billion, five hundred thirty-one million, five hundred ten thousand, four hundred seventy-nine".