1112223123 has 32 divisors (see below), whose sum is σ = 1807660800. Its totient is φ = 670276800.

The previous prime is 1112223103. The next prime is 1112223137. The reversal of 1112223123 is 3213222111.

It is not a de Polignac number, because 1112223123 - 2⁶ = 1112223059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1112223096 and 1112223105.

It is not an unprimeable number, because it can be changed into a prime (1112223103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42703 + ... + 63623.

It is an arithmetic number, because the mean of its divisors is an integer number (56489400).

Almost surely, 2^1112223123 is an apocalyptic number.

1112223123 is a deficient number, since it is larger than the sum of its proper divisors (695437677).

1112223123 is a wasteful number, since it uses less digits than its factorization.

1112223123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21120 (or 21114 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1112223123 is about 33350.0093403285. The cubic root of 1112223123 is about 1036.0895813948.

Adding to 1112223123 its reverse (3213222111), we get a palindrome (4325445234).

The spelling of 1112223123 in words is "one billion, one hundred twelve million, two hundred twenty-three thousand, one hundred twenty-three".