23171574544345 has 32 divisors (see below), whose sum is σ = 27991339703712. Its totient is φ = 18414093422592.

The previous prime is 23171574544333. The next prime is 23171574544351. The reversal of 23171574544345 is 54344547517132.

It can be written as a sum of positive squares in 16 ways, for example, as 1527530380489 + 21644044163856 = 1235933^2 + 4652316^2 .

It is a cyclic number.

It is not a de Polignac number, because 23171574544345 - 2²⁵ = 23171540989913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1056267217 + ... + 1056289153.

It is an arithmetic number, because the mean of its divisors is an integer number (874729365741).

Almost surely, 2^{23171574544345} is an apocalyptic number.

It is an amenable number.

23171574544345 is a deficient number, since it is larger than the sum of its proper divisors (4819765159367).

23171574544345 is a wasteful number, since it uses less digits than its factorization.

23171574544345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24541.

The product of its digits is 28224000, while the sum is 55.

The spelling of 23171574544345 in words is "twenty-three trillion, one hundred seventy-one billion, five hundred seventy-four million, five hundred forty-four thousand, three hundred forty-five".