23270977520 has 80 divisors (see below), whose sum is σ = 62100043200. Its totient is φ = 7944333312.

The previous prime is 23270977517. The next prime is 23270977553. The reversal of 23270977520 is 2577907232.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41306 + ... + 219654.

It is an arithmetic number, because the mean of its divisors is an integer number (776250540).

Almost surely, 2^23270977520 is an apocalyptic number.

23270977520 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 23270977520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31050021600).

23270977520 is an abundant number, since it is smaller than the sum of its proper divisors (38829065680).

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

23270977520 is a wasteful number, since it uses less digits than its factorization.

23270977520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178602 (or 178596 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 44.

The spelling of 23270977520 in words is "twenty-three billion, two hundred seventy million, nine hundred seventy-seven thousand, five hundred twenty".