23885472720 has 80 divisors (see below), whose sum is σ = 76433536512. Its totient is φ = 6163991040.

The previous prime is 23885472713. The next prime is 23885472781. The reversal of 23885472720 is 2727458832.

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

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 23885472720.

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, 1597767 + ... + 1612646.

Almost surely, 2^23885472720 is an apocalyptic number.

23885472720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23885472720 is an abundant number, since it is smaller than the sum of its proper divisors (52548063792).

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

23885472720 is a wasteful number, since it uses less digits than its factorization.

23885472720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3210460 (or 3210454 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 48.

The spelling of 23885472720 in words is "twenty-three billion, eight hundred eighty-five million, four hundred seventy-two thousand, seven hundred twenty".