343223311 has 2 divisors, whose sum is σ = 343223312. Its totient is φ = 343223310.

The previous prime is 343223303. The next prime is 343223327. The reversal of 343223311 is 113322343.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343223311 - 2³ = 343223303 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343223711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171611655 + 171611656.

It is an arithmetic number, because the mean of its divisors is an integer number (171611656).

Almost surely, 2^343223311 is an apocalyptic number.

343223311 is a deficient number, since it is larger than the sum of its proper divisors (1).

343223311 is an equidigital number, since it uses as much as digits as its factorization.

343223311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 22.

The square root of 343223311 is about 18526.2870268168. The cubic root of 343223311 is about 700.1518792892.

Adding to 343223311 its reverse (113322343), we get a palindrome (456545654).

The spelling of 343223311 in words is "three hundred forty-three million, two hundred twenty-three thousand, three hundred eleven".