1343203 has 2 divisors, whose sum is σ = 1343204. Its totient is φ = 1343202.

The previous prime is 1343197. The next prime is 1343219. The reversal of 1343203 is 3023431.

It is an a-pointer prime, because the next prime (1343219) can be obtained adding 1343203 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343203 is a prime.

It is not a weakly prime, because it can be changed into another prime (1343233) 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 as a sum of consecutive naturals, namely, 671601 + 671602.

It is an arithmetic number, because the mean of its divisors is an integer number (671602).

2^1343203 is an apocalyptic number.

1343203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343203 is an equidigital number, since it uses as much as digits as its factorization.

1343203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1343203 is about 1158.9663498135. The cubic root of 1343203 is about 110.3351486291.

Adding to 1343203 its reverse (3023431), we get a palindrome (4366634).

The spelling of 1343203 in words is "one million, three hundred forty-three thousand, two hundred three".