1203313343 has 2 divisors, whose sum is σ = 1203313344. Its totient is φ = 1203313342.

The previous prime is 1203313337. The next prime is 1203313351. The reversal of 1203313343 is 3433133021.

It is a weak prime.

It is an emirp because it is prime and its reverse (3433133021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1203313343 - 2⁸ = 1203313087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203313303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601656671 + 601656672.

It is an arithmetic number, because the mean of its divisors is an integer number (601656672).

Almost surely, 2^1203313343 is an apocalyptic number.

1203313343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203313343 is an equidigital number, since it uses as much as digits as its factorization.

1203313343 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 1203313343 is about 34688.8071717665. The cubic root of 1203313343 is about 1063.6357127114.

Adding to 1203313343 its reverse (3433133021), we get a palindrome (4636446364).

The spelling of 1203313343 in words is "one billion, two hundred three million, three hundred thirteen thousand, three hundred forty-three".