323143501853443 has 2 divisors, whose sum is σ = 323143501853444. Its totient is φ = 323143501853442.

The previous prime is 323143501853357. The next prime is 323143501853507. The reversal of 323143501853443 is 344358105341323.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 323143501853443 - 2²⁹ = 323142964982531 is a prime.

It is a super-2 number, since 2×323143501853443² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (323143501553443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161571750926721 + 161571750926722.

It is an arithmetic number, because the mean of its divisors is an integer number (161571750926722).

Almost surely, 2^{323143501853443} is an apocalyptic number.

323143501853443 is a deficient number, since it is larger than the sum of its proper divisors (1).

323143501853443 is an equidigital number, since it uses as much as digits as its factorization.

323143501853443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6220800, while the sum is 49.

The spelling of 323143501853443 in words is "three hundred twenty-three trillion, one hundred forty-three billion, five hundred one million, eight hundred fifty-three thousand, four hundred forty-three".