23631921845015 has 12 divisors (see below), whose sum is σ = 31170700219512. Its totient is φ = 17186852250480.

The previous prime is 23631921845009. The next prime is 23631921845033. The reversal of 23631921845015 is 51054812913632.

It is not a de Polignac number, because 23631921845015 - 2²⁰ = 23631920796439 is a prime.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19530513317 + ... + 19530514526.

It is an arithmetic number, because the mean of its divisors is an integer number (2597558351626).

Almost surely, 2^{23631921845015} is an apocalyptic number.

23631921845015 is a deficient number, since it is larger than the sum of its proper divisors (7538778374497).

23631921845015 is a wasteful number, since it uses less digits than its factorization.

23631921845015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39061027870 (or 39061027859 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 23631921845015 in words is "twenty-three trillion, six hundred thirty-one billion, nine hundred twenty-one million, eight hundred forty-five thousand, fifteen".