23015523544 has 16 divisors (see below), whose sum is σ = 46473653520. Its totient is φ = 10622549280.

The previous prime is 23015523529. The next prime is 23015523581. The reversal of 23015523544 is 44532551032.

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, 110651452 + ... + 110651659.

It is an arithmetic number, because the mean of its divisors is an integer number (2904603345).

Almost surely, 2^23015523544 is an apocalyptic number.

It is an amenable number.

23015523544 is an abundant number, since it is smaller than the sum of its proper divisors (23458129976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23015523544 is a wasteful number, since it uses less digits than its factorization.

23015523544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221303130 (or 221303126 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 23015523544 in words is "twenty-three billion, fifteen million, five hundred twenty-three thousand, five hundred forty-four".