18423496 has 32 divisors (see below), whose sum is σ = 42517440. Its totient is φ = 7288128.

The previous prime is 18423491. The next prime is 18423533. The reversal of 18423496 is 69432481.

18423496 is nontrivially palindromic in base 3.

It is not an unprimeable number, because it can be changed into a prime (18423491) 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, 11926 + ... + 13381.

It is an arithmetic number, because the mean of its divisors is an integer number (1328670).

Almost surely, 2^18423496 is an apocalyptic number.

It is an amenable number.

18423496 is an abundant number, since it is smaller than the sum of its proper divisors (24093944).

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

18423496 is a wasteful number, since it uses less digits than its factorization.

18423496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25333 (or 25329 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 18423496 is about 4292.2600107636. The cubic root of 18423496 is about 264.1135492565.

The spelling of 18423496 in words is "eighteen million, four hundred twenty-three thousand, four hundred ninety-six".