18332023 has 2 divisors, whose sum is σ = 18332024. Its totient is φ = 18332022.

The previous prime is 18332003. The next prime is 18332047. The reversal of 18332023 is 32023381.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18332023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18331985 and 18332003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18332003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9166011 + 9166012.

It is an arithmetic number, because the mean of its divisors is an integer number (9166012).

Almost surely, 2^18332023 is an apocalyptic number.

18332023 is a deficient number, since it is larger than the sum of its proper divisors (1).

18332023 is an equidigital number, since it uses as much as digits as its factorization.

18332023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 18332023 is about 4281.5911761867. The cubic root of 18332023 is about 263.6757142754.

The spelling of 18332023 in words is "eighteen million, three hundred thirty-two thousand, twenty-three".