13523415032 has 32 divisors (see below), whose sum is σ = 25968729600. Its totient is φ = 6598695264.

The previous prime is 13523415029. The next prime is 13523415047. The reversal of 13523415032 is 23051432531.

It is a happy number.

It is a super-2 number, since 2×13523415032² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13523414986 and 13523415004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391769 + ... + 424887.

It is an arithmetic number, because the mean of its divisors is an integer number (811522800).

Almost surely, 2^13523415032 is an apocalyptic number.

It is an amenable number.

13523415032 is a deficient number, since it is larger than the sum of its proper divisors (12445314568).

13523415032 is a wasteful number, since it uses less digits than its factorization.

13523415032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34355 (or 34351 counting only the distinct ones).

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

Adding to 13523415032 its reverse (23051432531), we get a palindrome (36574847563).

The spelling of 13523415032 in words is "thirteen billion, five hundred twenty-three million, four hundred fifteen thousand, thirty-two".