23455720800 has 504 divisors, whose sum is σ = 88254101376. Its totient is φ = 6080209920.

The previous prime is 23455720789. The next prime is 23455720807. The reversal of 23455720800 is 802755432.

23455720800 is a `hidden beast` number, since 2 + 3 + 4 + 5 + 572 + 0 + 80 + 0 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23455720807) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 21577857 + ... + 21578943.

It is an arithmetic number, because the mean of its divisors is an integer number (175107344).

Almost surely, 2^23455720800 is an apocalyptic number.

23455720800 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 23455720800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44127050688).

23455720800 is an abundant number, since it is smaller than the sum of its proper divisors (64798380576).

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

23455720800 is a wasteful number, since it uses less digits than its factorization.

23455720800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1134 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 23455720800 in words is "twenty-three billion, four hundred fifty-five million, seven hundred twenty thousand, eight hundred".