343103603 has 2 divisors, whose sum is σ = 343103604. Its totient is φ = 343103602.

The previous prime is 343103591. The next prime is 343103681. The reversal of 343103603 is 306301343.

It is a weak prime.

It is an emirp because it is prime and its reverse (306301343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343103603 - 2⁴ = 343103587 is a prime.

It is not a weakly prime, because it can be changed into another prime (343103693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171551801 + 171551802.

It is an arithmetic number, because the mean of its divisors is an integer number (171551802).

Almost surely, 2^343103603 is an apocalyptic number.

343103603 is a deficient number, since it is larger than the sum of its proper divisors (1).

343103603 is an equidigital number, since it uses as much as digits as its factorization.

343103603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 343103603 is about 18523.0559843672. The cubic root of 343103603 is about 700.0704711365.

Adding to 343103603 its reverse (306301343), we get a palindrome (649404946).

The spelling of 343103603 in words is "three hundred forty-three million, one hundred three thousand, six hundred three".