1123134312 has 16 divisors (see below), whose sum is σ = 2807835840. Its totient is φ = 374378096.

The previous prime is 1123134307. The next prime is 1123134319. The reversal of 1123134312 is 2134313211.

It is a super-2 number, since 2×1123134312² = 2522861365583426688, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1123134319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23398608 + ... + 23398655.

It is an arithmetic number, because the mean of its divisors is an integer number (175489740).

Almost surely, 2^1123134312 is an apocalyptic number.

1123134312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123134312 is an abundant number, since it is smaller than the sum of its proper divisors (1684701528).

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

1123134312 is a wasteful number, since it uses less digits than its factorization.

1123134312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46797272 (or 46797268 counting only the distinct ones).

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

The square root of 1123134312 is about 33513.1960875116. The cubic root of 1123134312 is about 1039.4666619420.

Adding to 1123134312 its reverse (2134313211), we get a palindrome (3257447523).

The spelling of 1123134312 in words is "one billion, one hundred twenty-three million, one hundred thirty-four thousand, three hundred twelve".