343965975323 has 2 divisors, whose sum is σ = 343965975324. Its totient is φ = 343965975322.

The previous prime is 343965975319. The next prime is 343965975349. The reversal of 343965975323 is 323579569343.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343965975323 - 2² = 343965975319 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (343965975523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171982987661 + 171982987662.

It is an arithmetic number, because the mean of its divisors is an integer number (171982987662).

Almost surely, 2^343965975323 is an apocalyptic number.

343965975323 is a deficient number, since it is larger than the sum of its proper divisors (1).

343965975323 is an equidigital number, since it uses as much as digits as its factorization.

343965975323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55112400, while the sum is 59.

The spelling of 343965975323 in words is "three hundred forty-three billion, nine hundred sixty-five million, nine hundred seventy-five thousand, three hundred twenty-three".