1112031223 has 4 divisors (see below), whose sum is σ = 1117853568. Its totient is φ = 1106208880.

The previous prime is 1112031211. The next prime is 1112031229. The reversal of 1112031223 is 3221302111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3221302111 = 263 ⋅12248297.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112031223 is a prime.

It is a super-2 number, since 2×1112031223² = 2473226881853751458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112031197 and 1112031206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112031229) 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, 2910886 + ... + 2911267.

It is an arithmetic number, because the mean of its divisors is an integer number (279463392).

Almost surely, 2^1112031223 is an apocalyptic number.

1112031223 is a deficient number, since it is larger than the sum of its proper divisors (5822345).

1112031223 is an equidigital number, since it uses as much as digits as its factorization.

1112031223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5822344.

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

The square root of 1112031223 is about 33347.1321555542. The cubic root of 1112031223 is about 1036.0299899266.

Adding to 1112031223 its reverse (3221302111), we get a palindrome (4333333334).

The spelling of 1112031223 in words is "one billion, one hundred twelve million, thirty-one thousand, two hundred twenty-three".