323401931869 has 2 divisors, whose sum is σ = 323401931870. Its totient is φ = 323401931868.

The previous prime is 323401931863. The next prime is 323401931929. The reversal of 323401931869 is 968139104323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215695224900 + 107706706969 = 464430^2 + 328187^2 .

It is a cyclic number.

It is not a de Polignac number, because 323401931869 - 2²⁹ = 322865060957 is a prime.

It is a super-2 number, since 2×323401931869² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323401931863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161700965934 + 161700965935.

It is an arithmetic number, because the mean of its divisors is an integer number (161700965935).

Almost surely, 2^323401931869 is an apocalyptic number.

It is an amenable number.

323401931869 is a deficient number, since it is larger than the sum of its proper divisors (1).

323401931869 is an equidigital number, since it uses as much as digits as its factorization.

323401931869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 49.

The spelling of 323401931869 in words is "three hundred twenty-three billion, four hundred one million, nine hundred thirty-one thousand, eight hundred sixty-nine".