343223057 has 2 divisors, whose sum is σ = 343223058. Its totient is φ = 343223056.

The previous prime is 343223029. The next prime is 343223077. The reversal of 343223057 is 750322343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230098561 + 113124496 = 15169^2 + 10636^2 .

It is a cyclic number.

It is not a de Polignac number, because 343223057 - 2¹⁸ = 342960913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (343223077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171611528 + 171611529.

It is an arithmetic number, because the mean of its divisors is an integer number (171611529).

Almost surely, 2^343223057 is an apocalyptic number.

It is an amenable number.

343223057 is a deficient number, since it is larger than the sum of its proper divisors (1).

343223057 is an equidigital number, since it uses as much as digits as its factorization.

343223057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 29.

The square root of 343223057 is about 18526.2801716912. The cubic root of 343223057 is about 700.1517065750.

The spelling of 343223057 in words is "three hundred forty-three million, two hundred twenty-three thousand, fifty-seven".