18230373 has 16 divisors (see below), whose sum is σ = 30866560. Its totient is φ = 10417248.

The previous prime is 18230347. The next prime is 18230383. The reversal of 18230373 is 37303281.

It is not a de Polignac number, because 18230373 - 2⁶ = 18230309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18230383) 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 15 ways as a sum of consecutive naturals, for example, 48040 + ... + 48417.

It is an arithmetic number, because the mean of its divisors is an integer number (1929160).

Almost surely, 2^18230373 is an apocalyptic number.

It is an amenable number.

18230373 is a deficient number, since it is larger than the sum of its proper divisors (12636187).

18230373 is an equidigital number, since it uses as much as digits as its factorization.

18230373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96473 (or 96467 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 18230373 is about 4269.7040881073. The cubic root of 18230373 is about 263.1874552106.

The spelling of 18230373 in words is "eighteen million, two hundred thirty thousand, three hundred seventy-three".