23514561855 has 24 divisors (see below), whose sum is σ = 40905738432. Its totient is φ = 12495818304.

The previous prime is 23514561839. The next prime is 23514561883. The reversal of 23514561855 is 55816541532.

23514561855 is a `hidden beast` number, since 2 + 3 + 5 + 1 + 4 + 561 + 85 + 5 = 666.

It is not a de Polignac number, because 23514561855 - 2⁴ = 23514561839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 23514561855.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 930759 + ... + 955688.

It is an arithmetic number, because the mean of its divisors is an integer number (1704405768).

Almost surely, 2^23514561855 is an apocalyptic number.

23514561855 is a deficient number, since it is larger than the sum of its proper divisors (17391176577).

23514561855 is a wasteful number, since it uses less digits than its factorization.

23514561855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886735 (or 1886732 counting only the distinct ones).

The product of its digits is 720000, while the sum is 45.

The spelling of 23514561855 in words is "twenty-three billion, five hundred fourteen million, five hundred sixty-one thousand, eight hundred fifty-five".