23420565504000 has 2400 divisors, whose sum is σ = 101415829971456. Its totient is φ = 5288774860800.

The previous prime is 23420565503989. The next prime is 23420565504053. The reversal of 23420565504000 is 40556502432.

23420565504000 is a `hidden beast` number, since 2 + 3 + 4 + 2 + 0 + 565 + 50 + 40 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2400).

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

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 282175487959 + ... + 282175488041.

Almost surely, 2^{23420565504000} is an apocalyptic number.

23420565504000 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 23420565504000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50707914985728).

23420565504000 is an abundant number, since it is smaller than the sum of its proper divisors (77995264467456).

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

23420565504000 is an frugal number, since it uses more digits than its factorization.

23420565504000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 23420565504000 in words is "twenty-three trillion, four hundred twenty billion, five hundred sixty-five million, five hundred four thousand".