1343409203 has 2 divisors, whose sum is σ = 1343409204. Its totient is φ = 1343409202.

The previous prime is 1343409187. The next prime is 1343409251. The reversal of 1343409203 is 3029043431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1343409203 - 2⁴ = 1343409187 is a prime.

It is not a weakly prime, because it can be changed into another prime (1343409103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671704601 + 671704602.

It is an arithmetic number, because the mean of its divisors is an integer number (671704602).

Almost surely, 2^1343409203 is an apocalyptic number.

1343409203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343409203 is an equidigital number, since it uses as much as digits as its factorization.

1343409203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 1343409203 is about 36652.5470192728. The cubic root of 1343409203 is about 1103.4079440625.

The spelling of 1343409203 in words is "one billion, three hundred forty-three million, four hundred nine thousand, two hundred three".