23665055 has 4 divisors (see below), whose sum is σ = 28398072. Its totient is φ = 18932040.

The previous prime is 23665049. The next prime is 23665087. The reversal of 23665055 is 55056632.

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

It is not a de Polignac number, because 23665055 - 2⁴ = 23665039 is a prime.

It is a Duffinian number.

It is a congruent 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, 2366501 + ... + 2366510.

It is an arithmetic number, because the mean of its divisors is an integer number (7099518).

Almost surely, 2^23665055 is an apocalyptic number.

23665055 is a deficient number, since it is larger than the sum of its proper divisors (4733017).

23665055 is an equidigital number, since it uses as much as digits as its factorization.

23665055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4733016.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 23665055 is about 4864.6741925847. The cubic root of 23665055 is about 287.1017497885.

The spelling of 23665055 in words is "twenty-three million, six hundred sixty-five thousand, fifty-five".