1341203443 has 2 divisors, whose sum is σ = 1341203444. Its totient is φ = 1341203442.

The previous prime is 1341203359. The next prime is 1341203449. The reversal of 1341203443 is 3443021431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1341203443 is a prime.

It is not a weakly prime, because it can be changed into another prime (1341203449) 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, 670601721 + 670601722.

It is an arithmetic number, because the mean of its divisors is an integer number (670601722).

Almost surely, 2^1341203443 is an apocalyptic number.

1341203443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341203443 is an equidigital number, since it uses as much as digits as its factorization.

1341203443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1341203443 is about 36622.4445251815. Note that the first 3 decimals coincide. The cubic root of 1341203443 is about 1102.8037135780.

Adding to 1341203443 its reverse (3443021431), we get a palindrome (4784224874).

The spelling of 1341203443 in words is "one billion, three hundred forty-one million, two hundred three thousand, four hundred forty-three".