343212443 has 16 divisors (see below), whose sum is σ = 397281024. Its totient is φ = 290421600.

The previous prime is 343212431. The next prime is 343212487. The reversal of 343212443 is 344212343.

It is not a de Polignac number, because 343212443 - 2⁴ = 343212427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (343212403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414596 + ... + 415422.

It is an arithmetic number, because the mean of its divisors is an integer number (24830064).

Almost surely, 2^343212443 is an apocalyptic number.

343212443 is a deficient number, since it is larger than the sum of its proper divisors (54068581).

343212443 is a wasteful number, since it uses less digits than its factorization.

343212443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522.

The product of its digits is 6912, while the sum is 26.

The square root of 343212443 is about 18525.9937115395. The cubic root of 343212443 is about 700.1444892211.

Adding to 343212443 its reverse (344212343), we get a palindrome (687424786).

The spelling of 343212443 in words is "three hundred forty-three million, two hundred twelve thousand, four hundred forty-three".