112323221 has 4 divisors (see below), whose sum is σ = 112590444. Its totient is φ = 112056000.

The previous prime is 112323179. The next prime is 112323229. The reversal of 112323221 is 122323211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4972900 + 107350321 = 2230^2 + 10361^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112323221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112323221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112323229) 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, 132980 + ... + 133821.

It is an arithmetic number, because the mean of its divisors is an integer number (28147611).

Almost surely, 2^112323221 is an apocalyptic number.

It is an amenable number.

112323221 is a deficient number, since it is larger than the sum of its proper divisors (267223).

112323221 is an equidigital number, since it uses as much as digits as its factorization.

112323221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267222.

The product of its digits is 144, while the sum is 17.

The square root of 112323221 is about 10598.2649995176. The cubic root of 112323221 is about 482.4917030798.

Adding to 112323221 its reverse (122323211), we get a palindrome (234646432).

It can be divided in two parts, 11 and 2323221, that added together give a palindrome (2323232).

The spelling of 112323221 in words is "one hundred twelve million, three hundred twenty-three thousand, two hundred twenty-one".