343516343 has 2 divisors, whose sum is σ = 343516344. Its totient is φ = 343516342.

The previous prime is 343516321. The next prime is 343516357. The reversal of 343516343 is 343615343.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343516343 - 2⁸ = 343516087 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 (343516543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171758171 + 171758172.

It is an arithmetic number, because the mean of its divisors is an integer number (171758172).

Almost surely, 2^343516343 is an apocalyptic number.

343516343 is a deficient number, since it is larger than the sum of its proper divisors (1).

343516343 is an equidigital number, since it uses as much as digits as its factorization.

343516343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 32.

The square root of 343516343 is about 18534.1938858964. The cubic root of 343516343 is about 700.3510776328.

The spelling of 343516343 in words is "three hundred forty-three million, five hundred sixteen thousand, three hundred forty-three".