321434443143943 has 2 divisors, whose sum is σ = 321434443143944. Its totient is φ = 321434443143942.

The previous prime is 321434443143923. The next prime is 321434443144033. The reversal of 321434443143943 is 349341344434123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321434443143943 - 2⁵ = 321434443143911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321434443143923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160717221571971 + 160717221571972.

It is an arithmetic number, because the mean of its divisors is an integer number (160717221571972).

Almost surely, 2^{321434443143943} is an apocalyptic number.

321434443143943 is a deficient number, since it is larger than the sum of its proper divisors (1).

321434443143943 is an equidigital number, since it uses as much as digits as its factorization.

321434443143943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17915904, while the sum is 52.

The spelling of 321434443143943 in words is "three hundred twenty-one trillion, four hundred thirty-four billion, four hundred forty-three million, one hundred forty-three thousand, nine hundred forty-three".