18423852 has 24 divisors (see below), whose sum is σ = 45518256. Its totient is φ = 5779968.

The previous prime is 18423841. The next prime is 18423893. The reversal of 18423852 is 25832481.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44953 + ... + 45360.

It is an arithmetic number, because the mean of its divisors is an integer number (1896594).

Almost surely, 2^18423852 is an apocalyptic number.

18423852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18423852 is an abundant number, since it is smaller than the sum of its proper divisors (27094404).

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

18423852 is a wasteful number, since it uses less digits than its factorization.

18423852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90337 (or 90335 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 18423852 is about 4292.3014805580. The cubic root of 18423852 is about 264.1152504142.

The spelling of 18423852 in words is "eighteen million, four hundred twenty-three thousand, eight hundred fifty-two".