18343119 has 12 divisors (see below), whose sum is σ = 25982024. Its totient is φ = 11508864.

The previous prime is 18343111. The next prime is 18343123. The reversal of 18343119 is 91134381.

It is not a de Polignac number, because 18343119 - 2³ = 18343111 is a prime.

It is a super-2 number, since 2×18343119² = 672940029296322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18343111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9712 + ... + 11445.

Almost surely, 2^18343119 is an apocalyptic number.

18343119 is a deficient number, since it is larger than the sum of its proper divisors (7638905).

18343119 is a wasteful number, since it uses less digits than its factorization.

18343119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21194 (or 21177 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 18343119 is about 4282.8867601187. The cubic root of 18343119 is about 263.7289027246.

The spelling of 18343119 in words is "eighteen million, three hundred forty-three thousand, one hundred nineteen".