1343443403 has 2 divisors, whose sum is σ = 1343443404. Its totient is φ = 1343443402.

The previous prime is 1343443399. The next prime is 1343443459. The reversal of 1343443403 is 3043443431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1343443403 - 2² = 1343443399 is a prime.

It is not a weakly prime, because it can be changed into another prime (1343443463) 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, 671721701 + 671721702.

It is an arithmetic number, because the mean of its divisors is an integer number (671721702).

Almost surely, 2^1343443403 is an apocalyptic number.

1343443403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343443403 is an equidigital number, since it uses as much as digits as its factorization.

1343443403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 29.

The square root of 1343443403 is about 36653.0135595970. The cubic root of 1343443403 is about 1103.4173073628.

Adding to 1343443403 its reverse (3043443431), we get a palindrome (4386886834).

The spelling of 1343443403 in words is "one billion, three hundred forty-three million, four hundred forty-three thousand, four hundred three".