18230463 has 12 divisors (see below), whose sum is σ = 26830440. Its totient is φ = 11924016.

The previous prime is 18230447. The next prime is 18230479. The reversal of 18230463 is 36403281.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18230447) and next prime (18230479).

It is not a de Polignac number, because 18230463 - 2⁴ = 18230447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18230413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18633 + ... + 19586.

It is an arithmetic number, because the mean of its divisors is an integer number (2235870).

Almost surely, 2^18230463 is an apocalyptic number.

18230463 is a deficient number, since it is larger than the sum of its proper divisors (8599977).

18230463 is a wasteful number, since it uses less digits than its factorization.

18230463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38278 (or 38275 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 18230463 is about 4269.7146274663. The cubic root of 18230463 is about 263.1878883126.

The spelling of 18230463 in words is "eighteen million, two hundred thirty thousand, four hundred sixty-three".