323299464351421 has 2 divisors, whose sum is σ = 323299464351422. Its totient is φ = 323299464351420.

The previous prime is 323299464351401. The next prime is 323299464351427. The reversal of 323299464351421 is 124153464992323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188369750745796 + 134929713605625 = 13724786^2 + 11615925^2 .

It is a cyclic number.

It is not a de Polignac number, because 323299464351421 - 2²⁷ = 323299330133693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323299464351427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161649732175710 + 161649732175711.

It is an arithmetic number, because the mean of its divisors is an integer number (161649732175711).

Almost surely, 2^{323299464351421} is an apocalyptic number.

It is an amenable number.

323299464351421 is a deficient number, since it is larger than the sum of its proper divisors (1).

323299464351421 is an equidigital number, since it uses as much as digits as its factorization.

323299464351421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33592320, while the sum is 58.

The spelling of 323299464351421 in words is "three hundred twenty-three trillion, two hundred ninety-nine billion, four hundred sixty-four million, three hundred fifty-one thousand, four hundred twenty-one".