23210581912056 has 1344 divisors, whose sum is σ = 90508659932160. Its totient is φ = 5490664704000.

The previous prime is 23210581912033. The next prime is 23210581912069. The reversal of 23210581912056 is 65021918501232.

23210581912056 is a `hidden beast` number, since 2 + 3 + 2 + 1 + 0 + 581 + 9 + 12 + 0 + 56 = 666.

It is a super-2 number, since 2×23210581912056² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 1656590091 + ... + 1656604101.

Almost surely, 2^{23210581912056} 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 23210581912056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45254329966080).

23210581912056 is an abundant number, since it is smaller than the sum of its proper divisors (67298078020104).

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

23210581912056 is a wasteful number, since it uses less digits than its factorization.

23210581912056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14108 (or 14082 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 23210581912056 in words is "twenty-three trillion, two hundred ten billion, five hundred eighty-one million, nine hundred twelve thousand, fifty-six".