23036766806556 has 84 divisors (see below), whose sum is σ = 60793250246232. Its totient is φ = 7634535267744.

The previous prime is 23036766806551. The next prime is 23036766806659. The reversal of 23036766806556 is 65560866763032.

It is a happy number.

23036766806556 is a `hidden beast` number, since 2 + 3 + 0 + 3 + 6 + 76 + 6 + 8 + 0 + 6 + 556 = 666.

It is a super-2 number, since 2×23036766806556² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23036766806493 and 23036766806502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23036766806551) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 22328266 + ... + 23337201.

It is an arithmetic number, because the mean of its divisors is an integer number (723729169598).

Almost surely, 2^{23036766806556} is an apocalyptic number.

It is an amenable number.

23036766806556 is an abundant number, since it is smaller than the sum of its proper divisors (37756483439676).

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

23036766806556 is a wasteful number, since it uses less digits than its factorization.

23036766806556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45665662 (or 45665645 counting only the distinct ones).

The product of its (nonzero) digits is 195955200, while the sum is 63.

The spelling of 23036766806556 in words is "twenty-three trillion, thirty-six billion, seven hundred sixty-six million, eight hundred six thousand, five hundred fifty-six".