1113123234 has 16 divisors (see below), whose sum is σ = 2228081472. Its totient is φ = 370735248.

The previous prime is 1113123233. The next prime is 1113123239. The reversal of 1113123234 is 4323213111.

It is a self number, because there is not a number n which added to its sum of digits gives 1113123234.

It is not an unprimeable number, because it can be changed into a prime (1113123233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68509 + ... + 83184.

It is an arithmetic number, because the mean of its divisors is an integer number (139255092).

Almost surely, 2^1113123234 is an apocalyptic number.

1113123234 is an abundant number, since it is smaller than the sum of its proper divisors (1114958238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1113123234 is a wasteful number, since it uses less digits than its factorization.

1113123234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152921.

The product of its digits is 432, while the sum is 21.

The square root of 1113123234 is about 33363.5015248700. The cubic root of 1113123234 is about 1036.3690049933.

Adding to 1113123234 its reverse (4323213111), we get a palindrome (5436336345).

The spelling of 1113123234 in words is "one billion, one hundred thirteen million, one hundred twenty-three thousand, two hundred thirty-four".