13113023500 has 96 divisors (see below), whose sum is σ = 29468904192. Its totient is φ = 5094886400.

The previous prime is 13113023477. The next prime is 13113023501. The reversal of 13113023500 is 532031131.

It is not an unprimeable number, because it can be changed into a prime (13113023501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3217464 + ... + 3221536.

It is an arithmetic number, because the mean of its divisors is an integer number (306967752).

Almost surely, 2^13113023500 is an apocalyptic number.

13113023500 is a gapful number since it is divisible by the number (10) 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 13113023500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14734452096).

13113023500 is an abundant number, since it is smaller than the sum of its proper divisors (16355880692).

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

13113023500 is a wasteful number, since it uses less digits than its factorization.

13113023500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4276 (or 4264 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

Adding to 13113023500 its reverse (532031131), we get a palindrome (13645054631).

The spelling of 13113023500 in words is "thirteen billion, one hundred thirteen million, twenty-three thousand, five hundred".