23052555520 has 144 divisors (see below), whose sum is σ = 56371230720. Its totient is φ = 9029722112.

The previous prime is 23052555511. The next prime is 23052555527. The reversal of 23052555520 is 2555525032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23052555527) 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, 28923762 + ... + 28924558.

It is an arithmetic number, because the mean of its divisors is an integer number (391466880).

Almost surely, 2^23052555520 is an apocalyptic number.

23052555520 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 23052555520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28185615360).

23052555520 is an abundant number, since it is smaller than the sum of its proper divisors (33318675200).

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

23052555520 is an equidigital number, since it uses as much as digits as its factorization.

23052555520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260 (or 1246 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 34.

The spelling of 23052555520 in words is "twenty-three billion, fifty-two million, five hundred fifty-five thousand, five hundred twenty".