113423321212 has 12 divisors (see below), whose sum is σ = 198494283456. Its totient is φ = 56710668800.

The previous prime is 113423321189. The next prime is 113423321213. The reversal of 113423321212 is 212123324311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113423321213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48828 + ... + 478780.

It is an arithmetic number, because the mean of its divisors is an integer number (16541190288).

Almost surely, 2^113423321212 is an apocalyptic number.

It is an amenable number.

113423321212 is a deficient number, since it is larger than the sum of its proper divisors (85070962244).

113423321212 is a wasteful number, since it uses less digits than its factorization.

113423321212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495908 (or 495906 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 113423321212 its reverse (212123324311), we get a palindrome (325546645523).

The spelling of 113423321212 in words is "one hundred thirteen billion, four hundred twenty-three million, three hundred twenty-one thousand, two hundred twelve".