23447992800 has 144 divisors (see below), whose sum is σ = 77024288880. Its totient is φ = 6195363840.

The previous prime is 23447992787. The next prime is 23447992807. The reversal of 23447992800 is 829974432.

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 23447992800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23447992807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216784 + ... + 306416.

It is an arithmetic number, because the mean of its divisors is an integer number (534890895).

Almost surely, 2^23447992800 is an apocalyptic number.

23447992800 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 23447992800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38512144440).

23447992800 is an abundant number, since it is smaller than the sum of its proper divisors (53576296080).

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

23447992800 is a wasteful number, since it uses less digits than its factorization.

23447992800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89765 (or 89752 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 23447992800 in words is "twenty-three billion, four hundred forty-seven million, nine hundred ninety-two thousand, eight hundred".