18230 has 8 divisors (see below), whose sum is σ = 32832. Its totient is φ = 7288.

The previous prime is 18229. The next prime is 18233. The reversal of 18230 is 3281.

18230 = 66² + 67² + ... + 69².

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 902 + ... + 921.

It is an arithmetic number, because the mean of its divisors is an integer number (4104).

2¹⁸²³⁰ is an apocalyptic number.

18230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18230 is a deficient number, since it is larger than the sum of its proper divisors (14602).

18230 is a wasteful number, since it uses less digits than its factorization.

18230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 18230 is about 135.0185172486. The cubic root of 18230 is about 26.3185660228.

It can be divided in two parts, 182 and 30, that multiplied together give a triangular number (5460 = T₁₀₄).

The spelling of 18230 in words is "eighteen thousand, two hundred thirty".