135023303 has 2 divisors, whose sum is σ = 135023304. Its totient is φ = 135023302.

The previous prime is 135023293. The next prime is 135023347. The reversal of 135023303 is 303320531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135023303 - 2¹² = 135019207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135023003) 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, 67511651 + 67511652.

It is an arithmetic number, because the mean of its divisors is an integer number (67511652).

Almost surely, 2^135023303 is an apocalyptic number.

135023303 is a deficient number, since it is larger than the sum of its proper divisors (1).

135023303 is an equidigital number, since it uses as much as digits as its factorization.

135023303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 135023303 is about 11619.9527968060. The cubic root of 135023303 is about 513.0222990230.

Adding to 135023303 its reverse (303320531), we get a palindrome (438343834).

The spelling of 135023303 in words is "one hundred thirty-five million, twenty-three thousand, three hundred three".