323312213429 has 2 divisors, whose sum is σ = 323312213430. Its totient is φ = 323312213428.

The previous prime is 323312213327. The next prime is 323312213443. The reversal of 323312213429 is 924312213323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185504212804 + 137808000625 = 430702^2 + 371225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323312213429 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323312213129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161656106714 + 161656106715.

It is an arithmetic number, because the mean of its divisors is an integer number (161656106715).

Almost surely, 2^323312213429 is an apocalyptic number.

It is an amenable number.

323312213429 is a deficient number, since it is larger than the sum of its proper divisors (1).

323312213429 is an equidigital number, since it uses as much as digits as its factorization.

323312213429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 35.

The spelling of 323312213429 in words is "three hundred twenty-three billion, three hundred twelve million, two hundred thirteen thousand, four hundred twenty-nine".