23313513000 has 256 divisors, whose sum is σ = 79899955200. Its totient is φ = 5633337600.

The previous prime is 23313512987. The next prime is 23313513001. The reversal of 23313513000 is 31531332.

It is not an unprimeable number, because it can be changed into a prime (23313513001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1302109 + ... + 1319891.

It is an arithmetic number, because the mean of its divisors is an integer number (312109200).

Almost surely, 2^23313513000 is an apocalyptic number.

23313513000 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 23313513000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39949977600).

23313513000 is an abundant number, since it is smaller than the sum of its proper divisors (56586442200).

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

23313513000 is a wasteful number, since it uses less digits than its factorization.

23313513000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17849 (or 17835 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 21.

The spelling of 23313513000 in words is "twenty-three billion, three hundred thirteen million, five hundred thirteen thousand".