343340403 has 12 divisors (see below), whose sum is σ = 532528200. Its totient is φ = 196194432.

The previous prime is 343340383. The next prime is 343340419. The reversal of 343340403 is 304043343.

It is not a de Polignac number, because 343340403 - 2⁶ = 343340339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (343340603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1167678 + ... + 1167971.

It is an arithmetic number, because the mean of its divisors is an integer number (44377350).

Almost surely, 2^343340403 is an apocalyptic number.

343340403 is a deficient number, since it is larger than the sum of its proper divisors (189187797).

343340403 is a wasteful number, since it uses less digits than its factorization.

343340403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2335666 (or 2335659 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

The square root of 343340403 is about 18529.4469156529. The cubic root of 343340403 is about 700.2314901044.

Adding to 343340403 its reverse (304043343), we get a palindrome (647383746).

The spelling of 343340403 in words is "three hundred forty-three million, three hundred forty thousand, four hundred three".