203424343 has 4 divisors (see below), whose sum is σ = 203455368. Its totient is φ = 203393320.

The previous prime is 203424341. The next prime is 203424373. The reversal of 203424343 is 343424302.

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 203424343 - 2¹ = 203424341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203424341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1393 + ... + 20218.

It is an arithmetic number, because the mean of its divisors is an integer number (50863842).

Almost surely, 2^203424343 is an apocalyptic number.

203424343 is a deficient number, since it is larger than the sum of its proper divisors (31025).

203424343 is an equidigital number, since it uses as much as digits as its factorization.

203424343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31024.

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

The square root of 203424343 is about 14262.6905946950. The cubic root of 203424343 is about 588.1222914615.

Adding to 203424343 its reverse (343424302), we get a palindrome (546848645).

The spelling of 203424343 in words is "two hundred three million, four hundred twenty-four thousand, three hundred forty-three".