343242043 has 4 divisors (see below), whose sum is σ = 343509208. Its totient is φ = 342974880.

The previous prime is 343242017. The next prime is 343242047. The reversal of 343242043 is 340242343.

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 343242043 - 2²¹ = 341144891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343241999 and 343242017.

It is not an unprimeable number, because it can be changed into a prime (343242047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131646 + ... + 134227.

It is an arithmetic number, because the mean of its divisors is an integer number (85877302).

Almost surely, 2^343242043 is an apocalyptic number.

343242043 is a deficient number, since it is larger than the sum of its proper divisors (267165).

343242043 is a wasteful number, since it uses less digits than its factorization.

343242043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267164.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 343242043 is about 18526.7925718404. The cubic root of 343242043 is about 700.1646163868.

Adding to 343242043 its reverse (340242343), we get a palindrome (683484386).

The spelling of 343242043 in words is "three hundred forty-three million, two hundred forty-two thousand, forty-three".