135323443 has 2 divisors, whose sum is σ = 135323444. Its totient is φ = 135323442.

The previous prime is 135323429. The next prime is 135323471. The reversal of 135323443 is 344323531.

It is an a-pointer prime, because the next prime (135323471) can be obtained adding 135323443 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135323443 - 2¹³ = 135315251 is a prime.

It is not a weakly prime, because it can be changed into another prime (135323423) 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, 67661721 + 67661722.

It is an arithmetic number, because the mean of its divisors is an integer number (67661722).

Almost surely, 2^135323443 is an apocalyptic number.

135323443 is a deficient number, since it is larger than the sum of its proper divisors (1).

135323443 is an equidigital number, since it uses as much as digits as its factorization.

135323443 is an odious number, because the sum of its binary digits is odd.

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

The square root of 135323443 is about 11632.8604822718. The cubic root of 135323443 is about 513.4021459541.

Adding to 135323443 its reverse (344323531), we get a palindrome (479646974).

The spelling of 135323443 in words is "one hundred thirty-five million, three hundred twenty-three thousand, four hundred forty-three".