135223435323 has 6 divisors (see below), whose sum is σ = 195322739924. Its totient is φ = 90148956876.

The previous prime is 135223435313. The next prime is 135223435327. The reversal of 135223435323 is 323534322531.

135223435323 is a `hidden beast` number, since 1 + 3 + 52 + 234 + 353 + 23 = 666.

It is not a de Polignac number, because 135223435323 - 2¹⁰ = 135223434299 is a prime.

It is a super-2 number, since 2×135223435323² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135223435327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7512413065 + ... + 7512413082.

Almost surely, 2^135223435323 is an apocalyptic number.

135223435323 is a deficient number, since it is larger than the sum of its proper divisors (60099304601).

135223435323 is a wasteful number, since it uses less digits than its factorization.

135223435323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15024826153 (or 15024826150 counting only the distinct ones).

The product of its digits is 194400, while the sum is 36.

Adding to 135223435323 its reverse (323534322531), we get a palindrome (458757757854).

The spelling of 135223435323 in words is "one hundred thirty-five billion, two hundred twenty-three million, four hundred thirty-five thousand, three hundred twenty-three".