135322236423 has 96 divisors (see below), whose sum is σ = 223010371584. Its totient is φ = 78328800000.

The previous prime is 135322236409. The next prime is 135322236443. The reversal of 135322236423 is 324632223531.

It is a happy number.

135322236423 is a `hidden beast` number, since 1 + 3 + 5 + 3 + 2 + 2 + 2 + 3 + 642 + 3 = 666.

It is not a de Polignac number, because 135322236423 - 2⁹ = 135322235911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135322236443) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 142895236 + ... + 142896182.

It is an arithmetic number, because the mean of its divisors is an integer number (2323024704).

Almost surely, 2^135322236423 is an apocalyptic number.

135322236423 is a deficient number, since it is larger than the sum of its proper divisors (87688135161).

135322236423 is a wasteful number, since it uses less digits than its factorization.

135322236423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557 (or 1554 counting only the distinct ones).

The product of its digits is 155520, while the sum is 36.

Adding to 135322236423 its reverse (324632223531), we get a palindrome (459954459954).

The spelling of 135322236423 in words is "one hundred thirty-five billion, three hundred twenty-two million, two hundred thirty-six thousand, four hundred twenty-three".