23665113 has 6 divisors (see below), whose sum is σ = 34182954. Its totient is φ = 15776736.

The previous prime is 23665087. The next prime is 23665123. The reversal of 23665113 is 31156632.

23665113 is a `hidden beast` number, since 2 + 3 + 6 + 651 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16064064 + 7601049 = 4008^2 + 2757^2 .

It is not a de Polignac number, because 23665113 - 2⁶ = 23665049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23665123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1314720 + ... + 1314737.

It is an arithmetic number, because the mean of its divisors is an integer number (5697159).

Almost surely, 2^23665113 is an apocalyptic number.

It is an amenable number.

23665113 is a deficient number, since it is larger than the sum of its proper divisors (10517841).

23665113 is a wasteful number, since it uses less digits than its factorization.

23665113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629463 (or 2629460 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 23665113 is about 4864.6801539258. The cubic root of 23665113 is about 287.1019843381.

The spelling of 23665113 in words is "twenty-three million, six hundred sixty-five thousand, one hundred thirteen".