323215479491 has 2 divisors, whose sum is σ = 323215479492. Its totient is φ = 323215479490.

The previous prime is 323215479481. The next prime is 323215479529. The reversal of 323215479491 is 194974512323.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 323215479491 - 2¹⁴ = 323215463107 is a prime.

It is not a weakly prime, because it can be changed into another prime (323215479481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161607739745 + 161607739746.

It is an arithmetic number, because the mean of its divisors is an integer number (161607739746).

Almost surely, 2^323215479491 is an apocalyptic number.

323215479491 is a deficient number, since it is larger than the sum of its proper divisors (1).

323215479491 is an equidigital number, since it uses as much as digits as its factorization.

323215479491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 50.

The spelling of 323215479491 in words is "three hundred twenty-three billion, two hundred fifteen million, four hundred seventy-nine thousand, four hundred ninety-one".