113023304512 has 56 divisors (see below), whose sum is σ = 232248227400. Its totient is φ = 54507995136.

The previous prime is 113023304507. The next prime is 113023304533. The reversal of 113023304512 is 215403320311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 111175936 + 112912128576 = 10544^2 + 336024^2 .

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, 1842528 + ... + 1902880.

It is an arithmetic number, because the mean of its divisors is an integer number (4147289775).

Almost surely, 2^113023304512 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 113023304512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116124113700).

113023304512 is an abundant number, since it is smaller than the sum of its proper divisors (119224922888).

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

113023304512 is a wasteful number, since it uses less digits than its factorization.

113023304512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61403 (or 61393 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 113023304512 its reverse (215403320311), we get a palindrome (328426624823).

The spelling of 113023304512 in words is "one hundred thirteen billion, twenty-three million, three hundred four thousand, five hundred twelve".