13113023994 has 96 divisors (see below), whose sum is σ = 34975309824. Its totient is φ = 3468057120.

The previous prime is 13113023993. The next prime is 13113024013. The reversal of 13113023994 is 49932031131.

13113023994 is a `hidden beast` number, since 1 + 311 + 302 + 39 + 9 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (13113023993) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16857 + ... + 162819.

It is an arithmetic number, because the mean of its divisors is an integer number (364326144).

Almost surely, 2^13113023994 is an apocalyptic number.

13113023994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13113023994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17487654912).

13113023994 is an abundant number, since it is smaller than the sum of its proper divisors (21862285830).

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

13113023994 is a wasteful number, since it uses less digits than its factorization.

13113023994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146032 (or 146029 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The spelling of 13113023994 in words is "thirteen billion, one hundred thirteen million, twenty-three thousand, nine hundred ninety-four".