18322908004823 has 2 divisors, whose sum is σ = 18322908004824. Its totient is φ = 18322908004822.

The previous prime is 18322908004679. The next prime is 18322908004831. The reversal of 18322908004823 is 32840080922381.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18322908004823 is a prime.

It is a super-2 number, since 2×18322908004823² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18322908004873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9161454002411 + 9161454002412.

It is an arithmetic number, because the mean of its divisors is an integer number (9161454002412).

Almost surely, 2^{18322908004823} is an apocalyptic number.

18322908004823 is a deficient number, since it is larger than the sum of its proper divisors (1).

18322908004823 is an equidigital number, since it uses as much as digits as its factorization.

18322908004823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1327104, while the sum is 50.

The spelling of 18322908004823 in words is "eighteen trillion, three hundred twenty-two billion, nine hundred eight million, four thousand, eight hundred twenty-three".