13523421452 has 12 divisors (see below), whose sum is σ = 23909967480. Its totient is φ = 6692002176.

The previous prime is 13523421421. The next prime is 13523421467. The reversal of 13523421452 is 25412432531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17426702 + ... + 17427477.

It is an arithmetic number, because the mean of its divisors is an integer number (1992497290).

Almost surely, 2^13523421452 is an apocalyptic number.

It is an amenable number.

13523421452 is a deficient number, since it is larger than the sum of its proper divisors (10386546028).

13523421452 is a wasteful number, since it uses less digits than its factorization.

13523421452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34854280 (or 34854278 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

Adding to 13523421452 its reverse (25412432531), we get a palindrome (38935853983).

The spelling of 13523421452 in words is "thirteen billion, five hundred twenty-three million, four hundred twenty-one thousand, four hundred fifty-two".