23959990500 has 48 divisors (see below), whose sum is σ = 69771496704. Its totient is φ = 6389330400.

The previous prime is 23959990493. The next prime is 23959990531. The reversal of 23959990500 is 509995932.

It is a super-2 number, since 2×23959990500² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7985164 + ... + 7988163.

It is an arithmetic number, because the mean of its divisors is an integer number (1453572848).

Almost surely, 2^23959990500 is an apocalyptic number.

23959990500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23959990500 is an abundant number, since it is smaller than the sum of its proper divisors (45811506204).

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

23959990500 is a wasteful number, since it uses less digits than its factorization.

23959990500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15973349 (or 15973337 counting only the distinct ones).

The product of its (nonzero) digits is 984150, while the sum is 51.

The spelling of 23959990500 in words is "twenty-three billion, nine hundred fifty-nine million, nine hundred ninety thousand, five hundred".