343005743 has 4 divisors (see below), whose sum is σ = 343105680. Its totient is φ = 342905808.

The previous prime is 343005709. The next prime is 343005749. The reversal of 343005743 is 347500343.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 343005743 - 2¹⁴ = 342989359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343005749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44630 + ... + 51747.

It is an arithmetic number, because the mean of its divisors is an integer number (85776420).

Almost surely, 2^343005743 is an apocalyptic number.

343005743 is a deficient number, since it is larger than the sum of its proper divisors (99937).

343005743 is an equidigital number, since it uses as much as digits as its factorization.

343005743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99936.

The product of its (nonzero) digits is 15120, while the sum is 29.

The square root of 343005743 is about 18520.4142232295. The cubic root of 343005743 is about 700.0039067809.

The spelling of 343005743 in words is "three hundred forty-three million, five thousand, seven hundred forty-three".