23265765 has 64 divisors (see below), whose sum is σ = 44236800. Its totient is φ = 11575872.

The previous prime is 23265763. The next prime is 23265773. The reversal of 23265765 is 56756232.

It is a happy number.

It is not a de Polignac number, because 23265765 - 2¹ = 23265763 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23265761) 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 63 ways as a sum of consecutive naturals, for example, 183132 + ... + 183258.

It is an arithmetic number, because the mean of its divisors is an integer number (691200).

Almost surely, 2^23265765 is an apocalyptic number.

It is an amenable number.

23265765 is a deficient number, since it is larger than the sum of its proper divisors (20971035).

23265765 is a wasteful number, since it uses less digits than its factorization.

23265765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 217 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 23265765 is about 4823.4598578199. The cubic root of 23265765 is about 285.4778686546.

The spelling of 23265765 in words is "twenty-three million, two hundred sixty-five thousand, seven hundred sixty-five".