135323203 has 2 divisors, whose sum is σ = 135323204. Its totient is φ = 135323202.

The previous prime is 135323197. The next prime is 135323261. The reversal of 135323203 is 302323531.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (302323531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135323203 is a prime.

It is not a weakly prime, because it can be changed into another prime (135329203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67661601 + 67661602.

It is an arithmetic number, because the mean of its divisors is an integer number (67661602).

Almost surely, 2^135323203 is an apocalyptic number.

135323203 is a deficient number, since it is larger than the sum of its proper divisors (1).

135323203 is an equidigital number, since it uses as much as digits as its factorization.

135323203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 135323203 is about 11632.8501666617. The cubic root of 135323203 is about 513.4018424428.

Adding to 135323203 its reverse (302323531), we get a palindrome (437646734).

The spelling of 135323203 in words is "one hundred thirty-five million, three hundred twenty-three thousand, two hundred three".