23775065 has 4 divisors (see below), whose sum is σ = 28530084. Its totient is φ = 19020048.

The previous prime is 23775043. The next prime is 23775083. The reversal of 23775065 is 56057732.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12931216 + 10843849 = 3596^2 + 3293^2 .

It is a cyclic number.

It is not a de Polignac number, because 23775065 - 2¹⁶ = 23709529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2377502 + ... + 2377511.

It is an arithmetic number, because the mean of its divisors is an integer number (7132521).

Almost surely, 2^23775065 is an apocalyptic number.

It is an amenable number.

23775065 is a deficient number, since it is larger than the sum of its proper divisors (4755019).

23775065 is an equidigital number, since it uses as much as digits as its factorization.

23775065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4755018.

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 23775065 is about 4875.9681090015. The cubic root of 23775065 is about 287.5459384690.

The spelling of 23775065 in words is "twenty-three million, seven hundred seventy-five thousand, sixty-five".