113112223 has 16 divisors (see below), whose sum is σ = 131604480. Its totient is φ = 95220000.

The previous prime is 113112199. The next prime is 113112283. The reversal of 113112223 is 322211311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113112223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113112197 and 113112206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113112283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97698 + ... + 98848.

It is an arithmetic number, because the mean of its divisors is an integer number (8225280).

Almost surely, 2^113112223 is an apocalyptic number.

113112223 is a deficient number, since it is larger than the sum of its proper divisors (18492257).

113112223 is a wasteful number, since it uses less digits than its factorization.

113112223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398.

The product of its digits is 72, while the sum is 16.

The square root of 113112223 is about 10635.4230287281. The cubic root of 113112223 is about 483.6188045918.

Adding to 113112223 its reverse (322211311), we get a palindrome (435323534).

The spelling of 113112223 in words is "one hundred thirteen million, one hundred twelve thousand, two hundred twenty-three".