13817023332 has 144 divisors (see below), whose sum is σ = 38531066112. Its totient is φ = 3840298560.

The previous prime is 13817023321. The next prime is 13817023369. The reversal of 13817023332 is 23332071831.

It is a junction number, because it is equal to n+sod(n) for n = 13817023293 and 13817023302.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7154407 + ... + 7156337.

It is an arithmetic number, because the mean of its divisors is an integer number (267576848).

Almost surely, 2^13817023332 is an apocalyptic number.

13817023332 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 13817023332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19265533056).

13817023332 is an abundant number, since it is smaller than the sum of its proper divisors (24714042780).

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

13817023332 is a wasteful number, since it uses less digits than its factorization.

13817023332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278 (or 2269 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The spelling of 13817023332 in words is "thirteen billion, eight hundred seventeen million, twenty-three thousand, three hundred thirty-two".