13523421422 has 16 divisors (see below), whose sum is σ = 23186498400. Its totient is φ = 5794879488.

The previous prime is 13523421421. The next prime is 13523421467. The reversal of 13523421422 is 22412432531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13523421421) 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, 28454 + ... + 166902.

It is an arithmetic number, because the mean of its divisors is an integer number (1449156150).

Almost surely, 2^13523421422 is an apocalyptic number.

13523421422 is a deficient number, since it is larger than the sum of its proper divisors (9663076978).

13523421422 is a wasteful number, since it uses less digits than its factorization.

13523421422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145435.

The product of its digits is 11520, while the sum is 29.

Adding to 13523421422 its reverse (22412432531), we get a palindrome (35935853953).

The spelling of 13523421422 in words is "thirteen billion, five hundred twenty-three million, four hundred twenty-one thousand, four hundred twenty-two".