23165065 has 16 divisors (see below), whose sum is σ = 34657920. Its totient is φ = 14440320.

The previous prime is 23165063. The next prime is 23165069. The reversal of 23165065 is 56056132.

It is not a de Polignac number, because 23165065 - 2¹ = 23165063 is a prime.

It is a super-3 number, since 3×23165065³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (23165063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29700 + ... + 30469.

It is an arithmetic number, because the mean of its divisors is an integer number (2166120).

Almost surely, 2^23165065 is an apocalyptic number.

It is an amenable number.

23165065 is a deficient number, since it is larger than the sum of its proper divisors (11492855).

23165065 is a wasteful number, since it uses less digits than its factorization.

23165065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60192.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 23165065 is about 4813.0099729795. The cubic root of 23165065 is about 285.0653999908.

It can be divided in two parts, 2316 and 5065, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 23165065 in words is "twenty-three million, one hundred sixty-five thousand, sixty-five".