1123230112 has 24 divisors (see below), whose sum is σ = 2212793856. Its totient is φ = 561250752.

The previous prime is 1123230091. The next prime is 1123230169. The reversal of 1123230112 is 2110323211.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42663 + ... + 63769.

It is an arithmetic number, because the mean of its divisors is an integer number (92199744).

Almost surely, 2^1123230112 is an apocalyptic number.

It is an amenable number.

1123230112 is a deficient number, since it is larger than the sum of its proper divisors (1089563744).

1123230112 is a wasteful number, since it uses less digits than its factorization.

1123230112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22780 (or 22772 counting only the distinct ones).

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

The square root of 1123230112 is about 33514.6253447655. The cubic root of 1123230112 is about 1039.4962155682.

Adding to 1123230112 its reverse (2110323211), we get a palindrome (3233553323).

The spelling of 1123230112 in words is "one billion, one hundred twenty-three million, two hundred thirty thousand, one hundred twelve".