11323918 has 16 divisors (see below), whose sum is σ = 17454240. Its totient is φ = 5508000.

The previous prime is 11323909. The next prime is 11323919. The reversal of 11323918 is 81932311.

It is a super-2 number, since 2×11323918² = 256462237741448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323919) 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, 11863 + ... + 12781.

It is an arithmetic number, because the mean of its divisors is an integer number (1090890).

Almost surely, 2^11323918 is an apocalyptic number.

11323918 is a deficient number, since it is larger than the sum of its proper divisors (6130322).

11323918 is a wasteful number, since it uses less digits than its factorization.

11323918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083.

The product of its digits is 1296, while the sum is 28.

The square root of 11323918 is about 3365.1029701927. The cubic root of 11323918 is about 224.5599167458.

It can be divided in two parts, 113239 and 18, that multiplied together give a palindrome (2038302).

The spelling of 11323918 in words is "eleven million, three hundred twenty-three thousand, nine hundred eighteen".