343143299 has 2 divisors, whose sum is σ = 343143300. Its totient is φ = 343143298.

The previous prime is 343143293. The next prime is 343143337. The reversal of 343143299 is 992341343.

It is a happy number.

It is an a-pointer prime, because the next prime (343143337) can be obtained adding 343143299 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343143299 - 2⁸ = 343143043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (343143293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171571649 + 171571650.

It is an arithmetic number, because the mean of its divisors is an integer number (171571650).

Almost surely, 2^343143299 is an apocalyptic number.

343143299 is a deficient number, since it is larger than the sum of its proper divisors (1).

343143299 is an equidigital number, since it uses as much as digits as its factorization.

343143299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 38.

The square root of 343143299 is about 18524.1274828263. The cubic root of 343143299 is about 700.0974687406.

The spelling of 343143299 in words is "three hundred forty-three million, one hundred forty-three thousand, two hundred ninety-nine".