23555100500 has 24 divisors (see below), whose sum is σ = 51444340584. Its totient is φ = 9422040000.

The previous prime is 23555100463. The next prime is 23555100551. The reversal of 23555100500 is 500155532.

It can be written as a sum of positive squares in 4 ways, for example, as 5582480656 + 17972619844 = 74716^2 + 134062^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23555100500.

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 7 ways as a sum of consecutive naturals, for example, 23554601 + ... + 23555600.

It is an arithmetic number, because the mean of its divisors is an integer number (2143514191).

Almost surely, 2^23555100500 is an apocalyptic number.

23555100500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23555100500 is an abundant number, since it is smaller than the sum of its proper divisors (27889240084).

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

23555100500 is a wasteful number, since it uses less digits than its factorization.

23555100500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47110220 (or 47110208 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The spelling of 23555100500 in words is "twenty-three billion, five hundred fifty-five million, one hundred thousand, five hundred".