343747343 has 2 divisors, whose sum is σ = 343747344. Its totient is φ = 343747342.

The previous prime is 343747333. The next prime is 343747357.

343747343 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 343747343 - 2¹⁸ = 343485199 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 343747297 and 343747306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343747333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171873671 + 171873672.

It is an arithmetic number, because the mean of its divisors is an integer number (171873672).

Almost surely, 2^343747343 is an apocalyptic number.

343747343 is a deficient number, since it is larger than the sum of its proper divisors (1).

343747343 is an equidigital number, since it uses as much as digits as its factorization.

343747343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 38.

The square root of 343747343 is about 18540.4245636393. The cubic root of 343747343 is about 700.5080278062.

The spelling of 343747343 in words is "three hundred forty-three million, seven hundred forty-seven thousand, three hundred forty-three".