18343132 has 18 divisors (see below), whose sum is σ = 33881568. Its totient is φ = 8688168.

The previous prime is 18343123. The next prime is 18343133. The reversal of 18343132 is 23134381.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18343097 and 18343106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18343133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4908 + ... + 7795.

Almost surely, 2^18343132 is an apocalyptic number.

It is an amenable number.

18343132 is a deficient number, since it is larger than the sum of its proper divisors (15538436).

18343132 is a wasteful number, since it uses less digits than its factorization.

18343132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12745 (or 12724 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 18343132 is about 4282.8882777864. Note that the first 3 decimals coincide. The cubic root of 18343132 is about 263.7289650273.

The spelling of 18343132 in words is "eighteen million, three hundred forty-three thousand, one hundred thirty-two".