23045676165 has 24 divisors (see below), whose sum is σ = 39955346808. Its totient is φ = 12288101760.

The previous prime is 23045676163. The next prime is 23045676191. The reversal of 23045676165 is 56167654032.

23045676165 is a `hidden beast` number, since 2 + 30 + 456 + 7 + 6 + 165 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4052977569 + 18992698596 = 63663^2 + 137814^2 .

It is not a de Polignac number, because 23045676165 - 2¹ = 23045676163 is a prime.

It is a super-2 number, since 2×23045676165² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 23045676165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23045676163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137295 + ... + 254835.

It is an arithmetic number, because the mean of its divisors is an integer number (1664806117).

Almost surely, 2^23045676165 is an apocalyptic number.

It is an amenable number.

23045676165 is a deficient number, since it is larger than the sum of its proper divisors (16909670643).

23045676165 is a wasteful number, since it uses less digits than its factorization.

23045676165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121909 (or 121906 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 23045676165 in words is "twenty-three billion, forty-five million, six hundred seventy-six thousand, one hundred sixty-five".