23551530500 has 48 divisors (see below), whose sum is σ = 52407102384. Its totient is φ = 9242854400.

The previous prime is 23551530449. The next prime is 23551530529. The reversal of 23551530500 is 503515532.

It can be written as a sum of positive squares in 8 ways, for example, as 8345187904 + 15206342596 = 91352^2 + 123314^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417869 + ... + 470868.

It is an arithmetic number, because the mean of its divisors is an integer number (1091814633).

Almost surely, 2^23551530500 is an apocalyptic number.

23551530500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23551530500 is an abundant number, since it is smaller than the sum of its proper divisors (28855571884).

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

23551530500 is a wasteful number, since it uses less digits than its factorization.

23551530500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888809 (or 888797 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 29.

The spelling of 23551530500 in words is "twenty-three billion, five hundred fifty-one million, five hundred thirty thousand, five hundred".