323684665091 has 2 divisors, whose sum is σ = 323684665092. Its totient is φ = 323684665090.

The previous prime is 323684665013. The next prime is 323684665099. The reversal of 323684665091 is 190566486323.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 323684665091 - 2¹⁸ = 323684402947 is a prime.

It is not a weakly prime, because it can be changed into another prime (323684665099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161842332545 + 161842332546.

It is an arithmetic number, because the mean of its divisors is an integer number (161842332546).

Almost surely, 2^323684665091 is an apocalyptic number.

323684665091 is a deficient number, since it is larger than the sum of its proper divisors (1).

323684665091 is an equidigital number, since it uses as much as digits as its factorization.

323684665091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 323684665091 in words is "three hundred twenty-three billion, six hundred eighty-four million, six hundred sixty-five thousand, ninety-one".