343424403 has 24 divisors (see below), whose sum is σ = 567496800. Its totient is φ = 196043904.

The previous prime is 343424377. The next prime is 343424423. The reversal of 343424403 is 304424343.

It is not a de Polignac number, because 343424403 - 2⁹ = 343423891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (343424423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79093 + ... + 83321.

It is an arithmetic number, because the mean of its divisors is an integer number (23645700).

Almost surely, 2^343424403 is an apocalyptic number.

343424403 is a deficient number, since it is larger than the sum of its proper divisors (224072397).

343424403 is a wasteful number, since it uses less digits than its factorization.

343424403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5531 (or 5528 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 343424403 is about 18531.7134393990. The cubic root of 343424403 is about 700.2885905296.

Adding to 343424403 its reverse (304424343), we get a palindrome (647848746).

The spelling of 343424403 in words is "three hundred forty-three million, four hundred twenty-four thousand, four hundred three".