1203343 has 2 divisors, whose sum is σ = 1203344. Its totient is φ = 1203342.

The previous prime is 1203331. The next prime is 1203359. The reversal of 1203343 is 3433021.

It is an a-pointer prime, because the next prime (1203359) can be obtained adding 1203343 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-1203343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601671 + 601672.

It is an arithmetic number, because the mean of its divisors is an integer number (601672).

2^1203343 is an apocalyptic number.

1203343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203343 is an equidigital number, since it uses as much as digits as its factorization.

1203343 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 1203343 is about 1096.9699175456. The cubic root of 1203343 is about 106.3644450803.

Adding to 1203343 its reverse (3433021), we get a palindrome (4636364).

The spelling of 1203343 in words is "one million, two hundred three thousand, three hundred forty-three".