1123223042 has 16 divisors (see below), whose sum is σ = 1695496320. Its totient is φ = 558068112.

The previous prime is 1123223033. The next prime is 1123223047. The reversal of 1123223042 is 2403223211.

It is not an unprimeable number, because it can be changed into a prime (1123223047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247748 + ... + 252240.

It is an arithmetic number, because the mean of its divisors is an integer number (105968520).

Almost surely, 2^1123223042 is an apocalyptic number.

1123223042 is a deficient number, since it is larger than the sum of its proper divisors (572273278).

1123223042 is a wasteful number, since it uses less digits than its factorization.

1123223042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5257.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1123223042 is about 33514.5198682601. The cubic root of 1123223042 is about 1039.4940345804.

Adding to 1123223042 its reverse (2403223211), we get a palindrome (3526446253).

The spelling of 1123223042 in words is "one billion, one hundred twenty-three million, two hundred twenty-three thousand, forty-two".