343051243 has 2 divisors, whose sum is σ = 343051244. Its totient is φ = 343051242.

The previous prime is 343051217. The next prime is 343051277. The reversal of 343051243 is 342150343.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343051243 is a prime.

It is not a weakly prime, because it can be changed into another prime (343051043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171525621 + 171525622.

It is an arithmetic number, because the mean of its divisors is an integer number (171525622).

Almost surely, 2^343051243 is an apocalyptic number.

343051243 is a deficient number, since it is larger than the sum of its proper divisors (1).

343051243 is an equidigital number, since it uses as much as digits as its factorization.

343051243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 343051243 is about 18521.6425567497. The cubic root of 343051243 is about 700.0348574479.

The spelling of 343051243 in words is "three hundred forty-three million, fifty-one thousand, two hundred forty-three".