23243165 has 16 divisors (see below), whose sum is σ = 32218560. Its totient is φ = 15909120.

The previous prime is 23243153. The next prime is 23243191. The reversal of 23243165 is 56134232.

It is not a de Polignac number, because 23243165 - 2²⁰ = 22194589 is a prime.

It is a congruent number.

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, 11495 + ... + 13364.

It is an arithmetic number, because the mean of its divisors is an integer number (2013660).

Almost surely, 2^23243165 is an apocalyptic number.

It is an amenable number.

23243165 is a deficient number, since it is larger than the sum of its proper divisors (8975395).

23243165 is a wasteful number, since it uses less digits than its factorization.

23243165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24892.

The product of its digits is 4320, while the sum is 26.

The square root of 23243165 is about 4821.1165719157. The cubic root of 23243165 is about 285.3854024634.

Adding to 23243165 its reverse (56134232), we get a palindrome (79377397).

The spelling of 23243165 in words is "twenty-three million, two hundred forty-three thousand, one hundred sixty-five".