23665065 has 8 divisors (see below), whose sum is σ = 37864128. Its totient is φ = 12621360.

The previous prime is 23665049. The next prime is 23665087. The reversal of 23665065 is 56056632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23665065 - 2⁴ = 23665049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788821 + ... + 788850.

It is an arithmetic number, because the mean of its divisors is an integer number (4733016).

Almost surely, 2^23665065 is an apocalyptic number.

It is an amenable number.

23665065 is a deficient number, since it is larger than the sum of its proper divisors (14199063).

23665065 is a wasteful number, since it uses less digits than its factorization.

23665065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577679.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 23665065 is about 4864.6752204027. The cubic root of 23665065 is about 287.1017902282.

The spelling of 23665065 in words is "twenty-three million, six hundred sixty-five thousand, sixty-five".