23113218 has 16 divisors (see below), whose sum is σ = 46275840. Its totient is φ = 7696176.

The previous prime is 23113201. The next prime is 23113219. The reversal of 23113218 is 81231132.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23113194 and 23113203.

It is not an unprimeable number, because it can be changed into a prime (23113219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7296 + ... + 9972.

It is an arithmetic number, because the mean of its divisors is an integer number (2892240).

Almost surely, 2^23113218 is an apocalyptic number.

23113218 is an abundant number, since it is smaller than the sum of its proper divisors (23162622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23113218 is a wasteful number, since it uses less digits than its factorization.

23113218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4121.

The product of its digits is 288, while the sum is 21.

The square root of 23113218 is about 4807.6208253147. The cubic root of 23113218 is about 284.8525676359.

The spelling of 23113218 in words is "twenty-three million, one hundred thirteen thousand, two hundred eighteen".