13523412442 has 8 divisors (see below), whose sum is σ = 21167080416. Its totient is φ = 6467718972.

The previous prime is 13523412401. The next prime is 13523412449. The reversal of 13523412442 is 24421432531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13523412449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146993568 + ... + 146993659.

It is an arithmetic number, because the mean of its divisors is an integer number (2645885052).

Almost surely, 2^13523412442 is an apocalyptic number.

13523412442 is a deficient number, since it is larger than the sum of its proper divisors (7643667974).

13523412442 is a wasteful number, since it uses less digits than its factorization.

13523412442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293987252.

The product of its digits is 23040, while the sum is 31.

Adding to 13523412442 its reverse (24421432531), we get a palindrome (37944844973).

The spelling of 13523412442 in words is "thirteen billion, five hundred twenty-three million, four hundred twelve thousand, four hundred forty-two".