23318090 has 16 divisors (see below), whose sum is σ = 43797888. Its totient is φ = 8921616.

The previous prime is 23318027. The next prime is 23318093. The reversal of 23318090 is 9081332.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23318093) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 50462 + ... + 50921.

It is an arithmetic number, because the mean of its divisors is an integer number (2737368).

Almost surely, 2^23318090 is an apocalyptic number.

23318090 is a deficient number, since it is larger than the sum of its proper divisors (20479798).

23318090 is a wasteful number, since it uses less digits than its factorization.

23318090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101413.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 23318090 is about 4828.8808227166. The cubic root of 23318090 is about 285.6917228611.

The spelling of 23318090 in words is "twenty-three million, three hundred eighteen thousand, ninety".