343203443 has 4 divisors (see below), whose sum is σ = 374403768. Its totient is φ = 312003120.

The previous prime is 343203431. The next prime is 343203457. The reversal of 343203443 is 344302343.

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

It is not a de Polignac number, because 343203443 - 2⁸ = 343203187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343203043) 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, 15600146 + ... + 15600167.

It is an arithmetic number, because the mean of its divisors is an integer number (93600942).

Almost surely, 2^343203443 is an apocalyptic number.

343203443 is a deficient number, since it is larger than the sum of its proper divisors (31200325).

343203443 is a wasteful number, since it uses less digits than its factorization.

343203443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31200324.

The product of its (nonzero) digits is 10368, while the sum is 26.

The square root of 343203443 is about 18525.7508079970. The cubic root of 343203443 is about 700.1383692453.

Adding to 343203443 its reverse (344302343), we get a palindrome (687505786).

The spelling of 343203443 in words is "three hundred forty-three million, two hundred three thousand, four hundred forty-three".