23045765 has 16 divisors (see below), whose sum is σ = 29233920. Its totient is φ = 17392320.

The previous prime is 23045753. The next prime is 23045777. The reversal of 23045765 is 56754032.

It is an interprime number because it is at equal distance from previous prime (23045753) and next prime (23045777).

It is not a de Polignac number, because 23045765 - 2²⁰ = 21997189 is a prime.

It is a super-2 number, since 2×23045765² = 1062214568870450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34535 + ... + 35195.

It is an arithmetic number, because the mean of its divisors is an integer number (1827120).

Almost surely, 2^23045765 is an apocalyptic number.

It is an amenable number.

23045765 is a deficient number, since it is larger than the sum of its proper divisors (6188155).

23045765 is a wasteful number, since it uses less digits than its factorization.

23045765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 23045765 is about 4800.6004832729. The cubic root of 23045765 is about 284.5751955859.

Adding to 23045765 its reverse (56754032), we get a palindrome (79799797).

The spelling of 23045765 in words is "twenty-three million, forty-five thousand, seven hundred sixty-five".