113212423232 has 28 divisors (see below), whose sum is σ = 224674905996. Its totient is φ = 56601423360.

The previous prime is 113212423189. The next prime is 113212423237. The reversal of 113212423232 is 232324212311.

It can be written as a sum of positive squares in 2 ways, for example, as 72804990976 + 40407432256 = 269824^2 + 201016^2 .

It is a super-2 number, since 2×113212423232² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113212423237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759878 + ... + 896570.

Almost surely, 2^113212423232 is an apocalyptic number.

It is an amenable number.

113212423232 is a deficient number, since it is larger than the sum of its proper divisors (111462482764).

113212423232 is a wasteful number, since it uses less digits than its factorization.

113212423232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149646 (or 149636 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

Adding to 113212423232 its reverse (232324212311), we get a palindrome (345536635543).

The spelling of 113212423232 in words is "one hundred thirteen billion, two hundred twelve million, four hundred twenty-three thousand, two hundred thirty-two".