345739343 has 2 divisors, whose sum is σ = 345739344. Its totient is φ = 345739342.

The previous prime is 345739337. The next prime is 345739411. The reversal of 345739343 is 343937543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345739343 - 2⁴ = 345739327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345739343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345733343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172869671 + 172869672.

It is an arithmetic number, because the mean of its divisors is an integer number (172869672).

Almost surely, 2^345739343 is an apocalyptic number.

345739343 is a deficient number, since it is larger than the sum of its proper divisors (1).

345739343 is an equidigital number, since it uses as much as digits as its factorization.

345739343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 41.

The square root of 345739343 is about 18594.0674140974. The cubic root of 345739343 is about 701.8585596380.

The spelling of 345739343 in words is "three hundred forty-five million, seven hundred thirty-nine thousand, three hundred forty-three".