343243303 has 16 divisors (see below), whose sum is σ = 397393920. Its totient is φ = 293767776.

The previous prime is 343243301. The next prime is 343243319. The reversal of 343243303 is 303342343.

It is a cyclic number.

It is not a de Polignac number, because 343243303 - 2¹ = 343243301 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 (343243301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3175 + ... + 26392.

It is an arithmetic number, because the mean of its divisors is an integer number (24837120).

Almost surely, 2^343243303 is an apocalyptic number.

343243303 is a deficient number, since it is larger than the sum of its proper divisors (54150617).

343243303 is a wasteful number, since it uses less digits than its factorization.

343243303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29646.

The product of its (nonzero) digits is 7776, while the sum is 25.

The square root of 343243303 is about 18526.8265766159. The cubic root of 343243303 is about 700.1654731256.

Adding to 343243303 its reverse (303342343), we get a palindrome (646585646).

The spelling of 343243303 in words is "three hundred forty-three million, two hundred forty-three thousand, three hundred three".