23541220564 has 12 divisors (see below), whose sum is σ = 41198426388. Its totient is φ = 11770241600.

The previous prime is 23541220553. The next prime is 23541220597. The reversal of 23541220564 is 46502214532.

It can be written as a sum of positive squares in 2 ways, for example, as 7503024400 + 16038196164 = 86620^2 + 126642^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92694 + ... + 235954.

It is an arithmetic number, because the mean of its divisors is an integer number (3433202199).

Almost surely, 2^23541220564 is an apocalyptic number.

It is an amenable number.

23541220564 is a deficient number, since it is larger than the sum of its proper divisors (17657205824).

23541220564 is a wasteful number, since it uses less digits than its factorization.

23541220564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184346 (or 184344 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 23541220564 in words is "twenty-three billion, five hundred forty-one million, two hundred twenty thousand, five hundred sixty-four".