23165738 has 32 divisors (see below), whose sum is σ = 37884672. Its totient is φ = 10595200.

The previous prime is 23165707. The next prime is 23165743. The reversal of 23165738 is 83756132.

It is a cake number, because a cake can be divided into 23165738 parts by 518 planar cuts.

It is a junction number, because it is equal to n+sod(n) for n = 23165698 and 23165707.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 133820 + ... + 133992.

It is an arithmetic number, because the mean of its divisors is an integer number (1183896).

Almost surely, 2^23165738 is an apocalyptic number.

23165738 is a deficient number, since it is larger than the sum of its proper divisors (14718934).

23165738 is a wasteful number, since it uses less digits than its factorization.

23165738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310.

The product of its digits is 30240, while the sum is 35.

The square root of 23165738 is about 4813.0798871409. The cubic root of 23165738 is about 285.0681605724.

The spelling of 23165738 in words is "twenty-three million, one hundred sixty-five thousand, seven hundred thirty-eight".