23115251350521 has 48 divisors (see below), whose sum is σ = 36481202197440. Its totient is φ = 13987264757760.

The previous prime is 23115251350447. The next prime is 23115251350531. The reversal of 23115251350521 is 12505315251132.

23115251350521 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 5 + 251 + 350 + 52 + 1 = 666.

It is not a de Polignac number, because 23115251350521 - 2¹³ = 23115251342329 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23115251350531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 297404961 + ... + 297482673.

It is an arithmetic number, because the mean of its divisors is an integer number (760025045780).

Almost surely, 2^{23115251350521} is an apocalyptic number.

It is an amenable number.

23115251350521 is a deficient number, since it is larger than the sum of its proper divisors (13365950846919).

23115251350521 is a wasteful number, since it uses less digits than its factorization.

23115251350521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82406 (or 82403 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 23115251350521 in words is "twenty-three trillion, one hundred fifteen billion, two hundred fifty-one million, three hundred fifty thousand, five hundred twenty-one".