1203354343 has 2 divisors, whose sum is σ = 1203354344. Its totient is φ = 1203354342.

The previous prime is 1203354329. The next prime is 1203354353. The reversal of 1203354343 is 3434533021.

It is a strong prime.

It is an emirp because it is prime and its reverse (3434533021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1203354343 - 2¹⁷ = 1203223271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203354353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601677171 + 601677172.

It is an arithmetic number, because the mean of its divisors is an integer number (601677172).

Almost surely, 2^1203354343 is an apocalyptic number.

1203354343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203354343 is an equidigital number, since it uses as much as digits as its factorization.

1203354343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 1203354343 is about 34689.3981354534. The cubic root of 1203354343 is about 1063.6477928481.

Adding to 1203354343 its reverse (3434533021), we get a palindrome (4637887364).

The spelling of 1203354343 in words is "one billion, two hundred three million, three hundred fifty-four thousand, three hundred forty-three".