18323000329 has 2 divisors, whose sum is σ = 18323000330. Its totient is φ = 18323000328.

The previous prime is 18323000291. The next prime is 18323000357. The reversal of 18323000329 is 92300032381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13558273600 + 4764726729 = 116440^2 + 69027^2 .

It is a cyclic number.

It is not a de Polignac number, because 18323000329 - 2¹⁵ = 18322967561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18323000329.

It is not a weakly prime, because it can be changed into another prime (18323006329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9161500164 + 9161500165.

It is an arithmetic number, because the mean of its divisors is an integer number (9161500165).

Almost surely, 2^18323000329 is an apocalyptic number.

It is an amenable number.

18323000329 is a deficient number, since it is larger than the sum of its proper divisors (1).

18323000329 is an equidigital number, since it uses as much as digits as its factorization.

18323000329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 18323000329 in words is "eighteen billion, three hundred twenty-three million, three hundred twenty-nine", and thus it is an aban number.