23015165 has 8 divisors (see below), whose sum is σ = 27876960. Its totient is φ = 18239632.

The previous prime is 23015159. The next prime is 23015207. The reversal of 23015165 is 56151032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23015165 - 2²⁰ = 21966589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23015165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20975 + ... + 22044.

It is an arithmetic number, because the mean of its divisors is an integer number (3484620).

Almost surely, 2^23015165 is an apocalyptic number.

It is an amenable number.

23015165 is a deficient number, since it is larger than the sum of its proper divisors (4861795).

23015165 is a wasteful number, since it uses less digits than its factorization.

23015165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43131.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 23015165 is about 4797.4123233260. The cubic root of 23015165 is about 284.4491875034.

Adding to 23015165 its reverse (56151032), we get a palindrome (79166197).

The spelling of 23015165 in words is "twenty-three million, fifteen thousand, one hundred sixty-five".