13533423104 has 80 divisors (see below), whose sum is σ = 29405537568. Its totient is φ = 6196396032.

The previous prime is 13533423097. The next prime is 13533423139. The reversal of 13533423104 is 40132433531.

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, 301037 + ... + 343059.

Almost surely, 2^13533423104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13533423104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14702768784).

13533423104 is an abundant number, since it is smaller than the sum of its proper divisors (15872114464).

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

13533423104 is an equidigital number, since it uses as much as digits as its factorization.

13533423104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42095 (or 42079 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 13533423104 its reverse (40132433531), we get a palindrome (53665856635).

The spelling of 13533423104 in words is "thirteen billion, five hundred thirty-three million, four hundred twenty-three thousand, one hundred four".