23125718880 has 144 divisors (see below), whose sum is σ = 86090803344. Its totient is φ = 5606231040.

The previous prime is 23125718867. The next prime is 23125718887. The reversal of 23125718880 is 8881752132.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23125718887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 714139 + ... + 745818.

It is an arithmetic number, because the mean of its divisors is an integer number (597852801).

Almost surely, 2^23125718880 is an apocalyptic number.

23125718880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23125718880 is an abundant number, since it is smaller than the sum of its proper divisors (62965084464).

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

23125718880 is a wasteful number, since it uses less digits than its factorization.

23125718880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459989 (or 1459978 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The spelling of 23125718880 in words is "twenty-three billion, one hundred twenty-five million, seven hundred eighteen thousand, eight hundred eighty".