23328805 has 4 divisors (see below), whose sum is σ = 27994572. Its totient is φ = 18663040.

The previous prime is 23328763. The next prime is 23328821. The reversal of 23328805 is 50882332.

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 6796449 + 16532356 = 2607^2 + 4066^2 .

It is not a de Polignac number, because 23328805 - 2¹¹ = 23326757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2332876 + ... + 2332885.

It is an arithmetic number, because the mean of its divisors is an integer number (6998643).

Almost surely, 2^23328805 is an apocalyptic number.

It is an amenable number.

23328805 is a deficient number, since it is larger than the sum of its proper divisors (4665767).

23328805 is an equidigital number, since it uses as much as digits as its factorization.

23328805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4665766.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 23328805 is about 4829.9901656215. The cubic root of 23328805 is about 285.7354759879.

The spelling of 23328805 in words is "twenty-three million, three hundred twenty-eight thousand, eight hundred five".