23324797920 has 48 divisors (see below), whose sum is σ = 73473114960. Its totient is φ = 6219945984.

The previous prime is 23324797897. The next prime is 23324797921. The reversal of 23324797920 is 2979742332.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 23324797920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23324797921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24296185 + ... + 24297144.

It is an arithmetic number, because the mean of its divisors is an integer number (1530689895).

Almost surely, 2^23324797920 is an apocalyptic number.

23324797920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23324797920 is an abundant number, since it is smaller than the sum of its proper divisors (50148317040).

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

23324797920 is a wasteful number, since it uses less digits than its factorization.

23324797920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48593347 (or 48593339 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 48.

The spelling of 23324797920 in words is "twenty-three billion, three hundred twenty-four million, seven hundred ninety-seven thousand, nine hundred twenty".