23005065 has 16 divisors (see below), whose sum is σ = 37328256. Its totient is φ = 12096000.

The previous prime is 23005061. The next prime is 23005093. The reversal of 23005065 is 56050032.

It is not a de Polignac number, because 23005065 - 2² = 23005061 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23005061) 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 15 ways as a sum of consecutive naturals, for example, 9736 + ... + 11865.

It is an arithmetic number, because the mean of its divisors is an integer number (2333016).

Almost surely, 2^23005065 is an apocalyptic number.

It is an amenable number.

23005065 is a deficient number, since it is larger than the sum of its proper divisors (14323191).

23005065 is a wasteful number, since it uses less digits than its factorization.

23005065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21680.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 23005065 is about 4796.3595569974. The cubic root of 23005065 is about 284.4075720852.

Adding to 23005065 its reverse (56050032), we get a palindrome (79055097).

The spelling of 23005065 in words is "twenty-three million, five thousand, sixty-five".