323312312209499 has 2 divisors, whose sum is σ = 323312312209500. Its totient is φ = 323312312209498.

The previous prime is 323312312209489. The next prime is 323312312209507. The reversal of 323312312209499 is 994902213213323.

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-323312312209499 is a prime.

It is a super-3 number, since 3×323312312209499³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 323312312209499.

It is not a weakly prime, because it can be changed into another prime (323312312209459) 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, 161656156104749 + 161656156104750.

It is an arithmetic number, because the mean of its divisors is an integer number (161656156104750).

Almost surely, 2^{323312312209499} is an apocalyptic number.

323312312209499 is a deficient number, since it is larger than the sum of its proper divisors (1).

323312312209499 is an equidigital number, since it uses as much as digits as its factorization.

323312312209499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3779136, while the sum is 53.

The spelling of 323312312209499 in words is "three hundred twenty-three trillion, three hundred twelve billion, three hundred twelve million, two hundred nine thousand, four hundred ninety-nine".