343043 has 6 divisors (see below), whose sum is σ = 364716. Its totient is φ = 322592.

The previous prime is 343037. The next prime is 343051. The reversal of 343043 is 340343.

It is not a de Polignac number, because 343043 - 2¹⁴ = 326659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 305 + ... + 882.

It is an arithmetic number, because the mean of its divisors is an integer number (60786).

2³⁴³⁰⁴³ is an apocalyptic number.

343043 is a deficient number, since it is larger than the sum of its proper divisors (21673).

343043 is a wasteful number, since it uses less digits than its factorization.

343043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221 (or 1204 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 343043 is about 585.6987280164. The cubic root of 343043 is about 70.0029250478.

Adding to 343043 its reverse (340343), we get a palindrome (683386).

The spelling of 343043 in words is "three hundred forty-three thousand, forty-three", and thus it is an iban number.