23972237550 has 60 divisors (see below), whose sum is σ = 66607317216. Its totient is φ = 6392595600.

The previous prime is 23972237519. The next prime is 23972237567. The reversal of 23972237550 is 5573227932.

23972237550 is a `hidden beast` number, since 2 + 3 + 9 + 72 + 23 + 7 + 550 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 23972237496 and 23972237505.

It is a congruent number.

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 29 ways as a sum of consecutive naturals, for example, 2955486 + ... + 2963585.

Almost surely, 2^23972237550 is an apocalyptic number.

23972237550 is an abundant number, since it is smaller than the sum of its proper divisors (42635079666).

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

23972237550 is a wasteful number, since it uses less digits than its factorization.

23972237550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5919095 (or 5919081 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 45.

The spelling of 23972237550 in words is "twenty-three billion, nine hundred seventy-two million, two hundred thirty-seven thousand, five hundred fifty".