343258243 has 2 divisors, whose sum is σ = 343258244. Its totient is φ = 343258242.

The previous prime is 343258241. The next prime is 343258301. The reversal of 343258243 is 342852343.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343258243 - 2¹ = 343258241 is a prime.

Together with 343258241, it forms a pair of twin primes.

It is equal to p_18460627 and since 343258243 and 18460627 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 343258199 and 343258208.

It is not a weakly prime, because it can be changed into another prime (343258241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171629121 + 171629122.

It is an arithmetic number, because the mean of its divisors is an integer number (171629122).

Almost surely, 2^343258243 is an apocalyptic number.

343258243 is a deficient number, since it is larger than the sum of its proper divisors (1).

343258243 is an equidigital number, since it uses as much as digits as its factorization.

343258243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 34.

The square root of 343258243 is about 18527.2297713393. The cubic root of 343258243 is about 700.1756314402.

The spelling of 343258243 in words is "three hundred forty-three million, two hundred fifty-eight thousand, two hundred forty-three".