23220756423936 has 216 divisors, whose sum is σ = 70481037448640. Its totient is φ = 7332233011200.

The previous prime is 23220756423913. The next prime is 23220756423971. The reversal of 23220756423936 is 63932465702232.

23220756423936 is a `hidden beast` number, since 2 + 3 + 2 + 20 + 7 + 564 + 23 + 9 + 36 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 962665956 + ... + 962690076.

Almost surely, 2^{23220756423936} 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 23220756423936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35240518724320).

23220756423936 is an abundant number, since it is smaller than the sum of its proper divisors (47260281024704).

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

23220756423936 is a wasteful number, since it uses less digits than its factorization.

23220756423936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46153 (or 46136 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 54.

The spelling of 23220756423936 in words is "twenty-three trillion, two hundred twenty billion, seven hundred fifty-six million, four hundred twenty-three thousand, nine hundred thirty-six".