18312363 has 12 divisors (see below), whose sum is σ = 27096888. Its totient is φ = 11910240.

The previous prime is 18312353. The next prime is 18312397. The reversal of 18312363 is 36321381.

It is a happy number.

It is not a de Polignac number, because 18312363 - 2⁵ = 18312331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18312353) 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, 24445 + ... + 25182.

It is an arithmetic number, because the mean of its divisors is an integer number (2258074).

Almost surely, 2^18312363 is an apocalyptic number.

18312363 is a deficient number, since it is larger than the sum of its proper divisors (8784525).

18312363 is a wasteful number, since it uses less digits than its factorization.

18312363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49674 (or 49671 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 18312363 is about 4279.2946848751. The cubic root of 18312363 is about 263.5814217401.

The spelling of 18312363 in words is "eighteen million, three hundred twelve thousand, three hundred sixty-three".