12523355322 has 32 divisors (see below), whose sum is σ = 25307942400. Its totient is φ = 4130971440.

The previous prime is 12523355321. The next prime is 12523355329. The reversal of 12523355322 is 22355332521.

It is not an unprimeable number, because it can be changed into a prime (12523355321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 964429 + ... + 977327.

It is an arithmetic number, because the mean of its divisors is an integer number (790873200).

Almost surely, 2^12523355322 is an apocalyptic number.

12523355322 is an abundant number, since it is smaller than the sum of its proper divisors (12784587078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12523355322 is a wasteful number, since it uses less digits than its factorization.

12523355322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14578.

The product of its digits is 54000, while the sum is 33.

Adding to 12523355322 its reverse (22355332521), we get a palindrome (34878687843).

The spelling of 12523355322 in words is "twelve billion, five hundred twenty-three million, three hundred fifty-five thousand, three hundred twenty-two".