23065505 has 4 divisors (see below), whose sum is σ = 27678612. Its totient is φ = 18452400.

The previous prime is 23065453. The next prime is 23065517. The reversal of 23065505 is 50556032.

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 14868736 + 8196769 = 3856^2 + 2863^2 .

It is not a de Polignac number, because 23065505 - 2⁸ = 23065249 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, 2306546 + ... + 2306555.

It is an arithmetic number, because the mean of its divisors is an integer number (6919653).

Almost surely, 2^23065505 is an apocalyptic number.

It is an amenable number.

23065505 is a deficient number, since it is larger than the sum of its proper divisors (4613107).

23065505 is an equidigital number, since it uses as much as digits as its factorization.

23065505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4613106.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 23065505 is about 4802.6560359868. The cubic root of 23065505 is about 284.6564239767.

The spelling of 23065505 in words is "twenty-three million, sixty-five thousand, five hundred five".