1112211323 has 4 divisors (see below), whose sum is σ = 1128811560. Its totient is φ = 1095611088.

The previous prime is 1112211313. The next prime is 1112211343. The reversal of 1112211323 is 3231122111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3231122111 = 7 ⋅461588873.

It is a cyclic number.

It is not a de Polignac number, because 1112211323 - 2⁶ = 1112211259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112211313) 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 3 ways as a sum of consecutive naturals, for example, 8300018 + ... + 8300151.

It is an arithmetic number, because the mean of its divisors is an integer number (282202890).

Almost surely, 2^1112211323 is an apocalyptic number.

1112211323 is a deficient number, since it is larger than the sum of its proper divisors (16600237).

1112211323 is an equidigital number, since it uses as much as digits as its factorization.

1112211323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16600236.

The product of its digits is 72, while the sum is 17.

The square root of 1112211323 is about 33349.8324283646. The cubic root of 1112211323 is about 1036.0859172918.

Adding to 1112211323 its reverse (3231122111), we get a palindrome (4343333434).

The spelling of 1112211323 in words is "one billion, one hundred twelve million, two hundred eleven thousand, three hundred twenty-three".