18230043 has 8 divisors (see below), whose sum is σ = 26176528. Its totient is φ = 11218464.

The previous prime is 18230041. The next prime is 18230057. The reversal of 18230043 is 34003281.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18230043 - 2¹ = 18230041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18230041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233680 + ... + 233757.

It is an arithmetic number, because the mean of its divisors is an integer number (3272066).

Almost surely, 2^18230043 is an apocalyptic number.

18230043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

18230043 is a deficient number, since it is larger than the sum of its proper divisors (7946485).

18230043 is a wasteful number, since it uses less digits than its factorization.

18230043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467453.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 18230043 is about 4269.6654435681. The cubic root of 18230043 is about 263.1858671578.

The spelling of 18230043 in words is "eighteen million, two hundred thirty thousand, forty-three".