23356690056 has 144 divisors (see below), whose sum is σ = 73786927500. Its totient is φ = 6655074048.

The previous prime is 23356690039. The next prime is 23356690073. The reversal of 23356690056 is 65009665332.

23356690056 is a `hidden beast` number, since 2 + 33 + 566 + 9 + 0 + 0 + 56 = 666.

It is an interprime number because it is at equal distance from previous prime (23356690039) and next prime (23356690073).

It can be written as a sum of positive squares in 2 ways, for example, as 21943681956 + 1413008100 = 148134^2 + 37590^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23356689993 and 23356690020.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1307070 + ... + 1324818.

Almost surely, 2^23356690056 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 23356690056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36893463750).

23356690056 is an abundant number, since it is smaller than the sum of its proper divisors (50430237444).

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

23356690056 is a wasteful number, since it uses less digits than its factorization.

23356690056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18148 (or 18134 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 45.

The spelling of 23356690056 in words is "twenty-three billion, three hundred fifty-six million, six hundred ninety thousand, fifty-six".