23975275520 has 176 divisors, whose sum is σ = 65973008640. Its totient is φ = 8189558784.

The previous prime is 23975275501. The next prime is 23975275529. The reversal of 23975275520 is 2557257932.

It is a super-2 number, since 2×23975275520² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23975275529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11001791 + ... + 11003969.

It is an arithmetic number, because the mean of its divisors is an integer number (374846640).

Almost surely, 2^23975275520 is an apocalyptic number.

23975275520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23975275520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32986504320).

23975275520 is an abundant number, since it is smaller than the sum of its proper divisors (41997733120).

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

23975275520 is a wasteful number, since it uses less digits than its factorization.

23975275520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518 (or 2500 counting only the distinct ones).

The product of its (nonzero) digits is 1323000, while the sum is 47.

The spelling of 23975275520 in words is "twenty-three billion, nine hundred seventy-five million, two hundred seventy-five thousand, five hundred twenty".