135103223 has 2 divisors, whose sum is σ = 135103224. Its totient is φ = 135103222.

The previous prime is 135103207. The next prime is 135103237. The reversal of 135103223 is 322301531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135103223 - 2⁴ = 135103207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135103195 and 135103204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135103253) 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, 67551611 + 67551612.

It is an arithmetic number, because the mean of its divisors is an integer number (67551612).

Almost surely, 2^135103223 is an apocalyptic number.

135103223 is a deficient number, since it is larger than the sum of its proper divisors (1).

135103223 is an equidigital number, since it uses as much as digits as its factorization.

135103223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 135103223 is about 11623.3912005060. The cubic root of 135103223 is about 513.1234979876.

Adding to 135103223 its reverse (322301531), we get a palindrome (457404754).

The spelling of 135103223 in words is "one hundred thirty-five million, one hundred three thousand, two hundred twenty-three".