23318913 has 8 divisors (see below), whose sum is σ = 32094976. Its totient is φ = 15044400.

The previous prime is 23318903. The next prime is 23318923. The reversal of 23318913 is 31981332.

It is an interprime number because it is at equal distance from previous prime (23318903) and next prime (23318923).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23318913 - 2⁸ = 23318657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23318903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125278 + ... + 125463.

It is an arithmetic number, because the mean of its divisors is an integer number (4011872).

Almost surely, 2^23318913 is an apocalyptic number.

It is an amenable number.

23318913 is a deficient number, since it is larger than the sum of its proper divisors (8776063).

23318913 is a wasteful number, since it uses less digits than its factorization.

23318913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250775.

The product of its digits is 3888, while the sum is 30.

The square root of 23318913 is about 4828.9660383979. The cubic root of 23318913 is about 285.6950839357.

The spelling of 23318913 in words is "twenty-three million, three hundred eighteen thousand, nine hundred thirteen".