343303203 has 4 divisors (see below), whose sum is σ = 457737608. Its totient is φ = 228868800.

The previous prime is 343303201. The next prime is 343303277. The reversal of 343303203 is 302303343.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 343303203 - 2¹ = 343303201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 343303203.

It is not an unprimeable number, because it can be changed into a prime (343303201) 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 3 ways as a sum of consecutive naturals, for example, 57217198 + ... + 57217203.

It is an arithmetic number, because the mean of its divisors is an integer number (114434402).

Almost surely, 2^343303203 is an apocalyptic number.

343303203 is a deficient number, since it is larger than the sum of its proper divisors (114434405).

343303203 is a wasteful number, since it uses less digits than its factorization.

343303203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114434404.

The product of its (nonzero) digits is 1944, while the sum is 21.

The square root of 343303203 is about 18528.4430808420. The cubic root of 343303203 is about 700.2061997977.

Adding to 343303203 its reverse (302303343), we get a palindrome (645606546).

The spelling of 343303203 in words is "three hundred forty-three million, three hundred three thousand, two hundred three".