23231135522 has 16 divisors (see below), whose sum is σ = 40419205440. Its totient is φ = 9807600528.

The previous prime is 23231135471. The next prime is 23231135527. The reversal of 23231135522 is 22553113232.

It is not an unprimeable number, because it can be changed into a prime (23231135527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12382397 + ... + 12384272.

It is an arithmetic number, because the mean of its divisors is an integer number (2526200340).

Almost surely, 2^23231135522 is an apocalyptic number.

23231135522 is a deficient number, since it is larger than the sum of its proper divisors (17188069918).

23231135522 is a wasteful number, since it uses less digits than its factorization.

23231135522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24766745.

The product of its digits is 10800, while the sum is 29.

Adding to 23231135522 its reverse (22553113232), we get a palindrome (45784248754).

The spelling of 23231135522 in words is "twenty-three billion, two hundred thirty-one million, one hundred thirty-five thousand, five hundred twenty-two".