135322423 has 2 divisors, whose sum is σ = 135322424. Its totient is φ = 135322422.

The previous prime is 135322417. The next prime is 135322457. The reversal of 135322423 is 324223531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135322423 - 2⁵ = 135322391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135322403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67661211 + 67661212.

It is an arithmetic number, because the mean of its divisors is an integer number (67661212).

Almost surely, 2^135322423 is an apocalyptic number.

135322423 is a deficient number, since it is larger than the sum of its proper divisors (1).

135322423 is an equidigital number, since it uses as much as digits as its factorization.

135322423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 25.

The square root of 135322423 is about 11632.8166408656. The cubic root of 135322423 is about 513.4008560285.

Adding to 135322423 its reverse (324223531), we get a palindrome (459545954).

The spelling of 135322423 in words is "one hundred thirty-five million, three hundred twenty-two thousand, four hundred twenty-three".