23299780572432 has 640 divisors, whose sum is σ = 84135059456000. Its totient is φ = 6134565652992.

The previous prime is 23299780572403. The next prime is 23299780572433. The reversal of 23299780572432 is 23427508799232.

23299780572432 is a `hidden beast` number, since 2 + 3 + 29 + 9 + 7 + 8 + 0 + 572 + 4 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 23299780572432.

It is not an unprimeable number, because it can be changed into a prime (23299780572433) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1169246853 + ... + 1169266779.

It is an arithmetic number, because the mean of its divisors is an integer number (131461030400).

Almost surely, 2^{23299780572432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23299780572432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42067529728000).

23299780572432 is an abundant number, since it is smaller than the sum of its proper divisors (60835278883568).

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

23299780572432 is a wasteful number, since it uses less digits than its factorization.

23299780572432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20585 (or 20559 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 63.

The spelling of 23299780572432 in words is "twenty-three trillion, two hundred ninety-nine billion, seven hundred eighty million, five hundred seventy-two thousand, four hundred thirty-two".