23949272500 has 30 divisors (see below), whose sum is σ = 52372274570. Its totient is φ = 9579708000.

The previous prime is 23949272443. The next prime is 23949272519. The reversal of 23949272500 is 527294932.

It can be written as a sum of positive squares in 5 ways, for example, as 3444750864 + 20504521636 = 58692^2 + 143194^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4787355 + ... + 4792354.

Almost surely, 2^23949272500 is an apocalyptic number.

23949272500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23949272500 is an abundant number, since it is smaller than the sum of its proper divisors (28423002070).

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

23949272500 is an equidigital number, since it uses as much as digits as its factorization.

23949272500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9579733 (or 9579716 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 23949272500 in words is "twenty-three billion, nine hundred forty-nine million, two hundred seventy-two thousand, five hundred".