1123343144 has 32 divisors (see below), whose sum is σ = 2625998400. Its totient is φ = 437665920.

The previous prime is 1123343131. The next prime is 1123343147. The reversal of 1123343144 is 4413433211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1123343147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911189 + ... + 912420.

It is an arithmetic number, because the mean of its divisors is an integer number (82062450).

Almost surely, 2^1123343144 is an apocalyptic number.

1123343144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1123343144 is an abundant number, since it is smaller than the sum of its proper divisors (1502655256).

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

1123343144 is a wasteful number, since it uses less digits than its factorization.

1123343144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823633 (or 1823629 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 1123343144 is about 33516.3116109157. The cubic root of 1123343144 is about 1039.5310829844.

Adding to 1123343144 its reverse (4413433211), we get a palindrome (5536776355).

The spelling of 1123343144 in words is "one billion, one hundred twenty-three million, three hundred forty-three thousand, one hundred forty-four".