23328305 has 64 divisors (see below), whose sum is σ = 38707200. Its totient is φ = 13029120.

The previous prime is 23328299. The next prime is 23328307. The reversal of 23328305 is 50382332.

It is not a de Polignac number, because 23328305 - 2¹⁶ = 23262769 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23328307) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 295256 + ... + 295334.

It is an arithmetic number, because the mean of its divisors is an integer number (604800).

Almost surely, 2^23328305 is an apocalyptic number.

It is an amenable number.

23328305 is a deficient number, since it is larger than the sum of its proper divisors (15378895).

23328305 is a wasteful number, since it uses less digits than its factorization.

23328305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 23328305 is about 4829.9384054044. The cubic root of 23328305 is about 285.7334346094.

The spelling of 23328305 in words is "twenty-three million, three hundred twenty-eight thousand, three hundred five".