18332123 has 2 divisors, whose sum is σ = 18332124. Its totient is φ = 18332122.

The previous prime is 18332113. The next prime is 18332143. The reversal of 18332123 is 32123381.

It is a weak prime.

It is an emirp because it is prime and its reverse (32123381) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18332123 - 2⁶ = 18332059 is a prime.

It is not a weakly prime, because it can be changed into another prime (18332113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9166061 + 9166062.

It is an arithmetic number, because the mean of its divisors is an integer number (9166062).

Almost surely, 2^18332123 is an apocalyptic number.

18332123 is a deficient number, since it is larger than the sum of its proper divisors (1).

18332123 is an equidigital number, since it uses as much as digits as its factorization.

18332123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 18332123 is about 4281.6028540723. The cubic root of 18332123 is about 263.6761937191.

The spelling of 18332123 in words is "eighteen million, three hundred thirty-two thousand, one hundred twenty-three".