1123143224 has 32 divisors (see below), whose sum is σ = 2446197600. Its totient is φ = 473454720.

The previous prime is 1123143173. The next prime is 1123143253. The reversal of 1123143224 is 4223413211.

It is a super-2 number, since 2×1123143224² = 2522901403234228352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123143224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160979 + ... + 167810.

It is an arithmetic number, because the mean of its divisors is an integer number (76443675).

Almost surely, 2^1123143224 is an apocalyptic number.

1123143224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1123143224 is an abundant number, since it is smaller than the sum of its proper divisors (1323054376).

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

1123143224 is a wasteful number, since it uses less digits than its factorization.

1123143224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328863 (or 328859 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 1123143224 is about 33513.3290497975. The cubic root of 1123143224 is about 1039.4694113022.

Adding to 1123143224 its reverse (4223413211), we get a palindrome (5346556435).

The spelling of 1123143224 in words is "one billion, one hundred twenty-three million, one hundred forty-three thousand, two hundred twenty-four".