13532523432 has 64 divisors (see below), whose sum is σ = 35427386880. Its totient is φ = 4299421632.

The previous prime is 13532523397. The next prime is 13532523437. The reversal of 13532523432 is 23432523531.

It is a junction number, because it is equal to n+sod(n) for n = 13532523393 and 13532523402.

It is not an unprimeable number, because it can be changed into a prime (13532523437) 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, 112903 + ... + 199529.

It is an arithmetic number, because the mean of its divisors is an integer number (553552920).

Almost surely, 2^13532523432 is an apocalyptic number.

13532523432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13532523432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17713693440).

13532523432 is an abundant number, since it is smaller than the sum of its proper divisors (21894863448).

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

13532523432 is a wasteful number, since it uses less digits than its factorization.

13532523432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86942 (or 86938 counting only the distinct ones).

The product of its digits is 64800, while the sum is 33.

Subtracting 13532523432 from its reverse (23432523531), we obtain a palindrome (9900000099).

The spelling of 13532523432 in words is "thirteen billion, five hundred thirty-two million, five hundred twenty-three thousand, four hundred thirty-two".