13112523402 has 96 divisors (see below), whose sum is σ = 30587046336. Its totient is φ = 3731735040.

The previous prime is 13112523401. The next prime is 13112523407. The reversal of 13112523402 is 20432521131.

It is not an unprimeable number, because it can be changed into a prime (13112523401) 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, 8058513 + ... + 8060139.

It is an arithmetic number, because the mean of its divisors is an integer number (318615066).

Almost surely, 2^13112523402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13112523402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15293523168).

13112523402 is an abundant number, since it is smaller than the sum of its proper divisors (17474522934).

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

13112523402 is a wasteful number, since it uses less digits than its factorization.

13112523402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324 (or 2313 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 13112523402 in words is "thirteen billion, one hundred twelve million, five hundred twenty-three thousand, four hundred two".