323140042399 has 2 divisors, whose sum is σ = 323140042400. Its totient is φ = 323140042398.

The previous prime is 323140042387. The next prime is 323140042429. The reversal of 323140042399 is 993240041323.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 323140042399 - 2⁵ = 323140042367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323140046399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161570021199 + 161570021200.

It is an arithmetic number, because the mean of its divisors is an integer number (161570021200).

Almost surely, 2^323140042399 is an apocalyptic number.

323140042399 is a deficient number, since it is larger than the sum of its proper divisors (1).

323140042399 is an equidigital number, since it uses as much as digits as its factorization.

323140042399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 40.

The spelling of 323140042399 in words is "three hundred twenty-three billion, one hundred forty million, forty-two thousand, three hundred ninety-nine".