323130440279 has 2 divisors, whose sum is σ = 323130440280. Its totient is φ = 323130440278.

The previous prime is 323130440233. The next prime is 323130440387. The reversal of 323130440279 is 972044031323.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323130440279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323130446279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161565220139 + 161565220140.

It is an arithmetic number, because the mean of its divisors is an integer number (161565220140).

Almost surely, 2^323130440279 is an apocalyptic number.

323130440279 is a deficient number, since it is larger than the sum of its proper divisors (1).

323130440279 is an equidigital number, since it uses as much as digits as its factorization.

323130440279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 38.

The spelling of 323130440279 in words is "three hundred twenty-three billion, one hundred thirty million, four hundred forty thousand, two hundred seventy-nine".