343143959 has 2 divisors, whose sum is σ = 343143960. Its totient is φ = 343143958.

The previous prime is 343143937. The next prime is 343143973. The reversal of 343143959 is 959341343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343143959 - 2²⁸ = 74708503 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343143919) 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, 171571979 + 171571980.

It is an arithmetic number, because the mean of its divisors is an integer number (171571980).

Almost surely, 2^343143959 is an apocalyptic number.

343143959 is a deficient number, since it is larger than the sum of its proper divisors (1).

343143959 is an equidigital number, since it uses as much as digits as its factorization.

343143959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 41.

The square root of 343143959 is about 18524.1452974220. The cubic root of 343143959 is about 700.0979175949.

The spelling of 343143959 in words is "three hundred forty-three million, one hundred forty-three thousand, nine hundred fifty-nine".