135222323 has 2 divisors, whose sum is σ = 135222324. Its totient is φ = 135222322.

The previous prime is 135222317. The next prime is 135222377. The reversal of 135222323 is 323222531.

It is a weak prime.

It is an emirp because it is prime and its reverse (323222531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135222323 - 2⁸ = 135222067 is a prime.

It is not a weakly prime, because it can be changed into another prime (135225323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67611161 + 67611162.

It is an arithmetic number, because the mean of its divisors is an integer number (67611162).

Almost surely, 2^135222323 is an apocalyptic number.

135222323 is a deficient number, since it is larger than the sum of its proper divisors (1).

135222323 is an equidigital number, since it uses as much as digits as its factorization.

135222323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 23.

The square root of 135222323 is about 11628.5133615609. The cubic root of 135222323 is about 513.2742347305.

Adding to 135222323 its reverse (323222531), we get a palindrome (458444854).

The spelling of 135222323 in words is "one hundred thirty-five million, two hundred twenty-two thousand, three hundred twenty-three".