1320143203 has 2 divisors, whose sum is σ = 1320143204. Its totient is φ = 1320143202.

The previous prime is 1320143171. The next prime is 1320143207. The reversal of 1320143203 is 3023410231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1320143203 - 2⁵ = 1320143171 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320143207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660071601 + 660071602.

It is an arithmetic number, because the mean of its divisors is an integer number (660071602).

Almost surely, 2^1320143203 is an apocalyptic number.

1320143203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320143203 is an equidigital number, since it uses as much as digits as its factorization.

1320143203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1320143203 is about 36333.7749621478. The cubic root of 1320143203 is about 1097.0009777770. Note that the first 3 decimals are identical.

Adding to 1320143203 its reverse (3023410231), we get a palindrome (4343553434).

The spelling of 1320143203 in words is "one billion, three hundred twenty million, one hundred forty-three thousand, two hundred three".