23065305156 has 36 divisors (see below), whose sum is σ = 58376108700. Its totient is φ = 7678921728.

The previous prime is 23065305149. The next prime is 23065305157. The reversal of 23065305156 is 65150356032.

23065305156 is a `hidden beast` number, since 23 + 0 + 6 + 530 + 51 + 56 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12948164100 + 10117141056 = 113790^2 + 100584^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 23065305156.

It is not an unprimeable number, because it can be changed into a prime (23065305157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 366861 + ... + 425108.

It is an arithmetic number, because the mean of its divisors is an integer number (1621558575).

Almost surely, 2^23065305156 is an apocalyptic number.

It is an amenable number.

23065305156 is an abundant number, since it is smaller than the sum of its proper divisors (35310803544).

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

23065305156 is a wasteful number, since it uses less digits than its factorization.

23065305156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792788 (or 792783 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The spelling of 23065305156 in words is "twenty-three billion, sixty-five million, three hundred five thousand, one hundred fifty-six".