23913263087 has 4 divisors (see below), whose sum is σ = 27329443536. Its totient is φ = 20497082640.

The previous prime is 23913263041. The next prime is 23913263111. The reversal of 23913263087 is 78036231932.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23913263087 - 2²⁰ = 23912214511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23943263087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1708090214 + ... + 1708090227.

It is an arithmetic number, because the mean of its divisors is an integer number (6832360884).

Almost surely, 2^23913263087 is an apocalyptic number.

23913263087 is a deficient number, since it is larger than the sum of its proper divisors (3416180449).

23913263087 is an equidigital number, since it uses as much as digits as its factorization.

23913263087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3416180448.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 23913263087 in words is "twenty-three billion, nine hundred thirteen million, two hundred sixty-three thousand, eighty-seven".