1123243224 has 32 divisors (see below), whose sum is σ = 2867857920. Its totient is φ = 366447776.

The previous prime is 1123243223. The next prime is 1123243259. The reversal of 1123243224 is 4223423211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is a junction number, because it is equal to n+sod(n) for n = 1123243194 and 1123243203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123243223) 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, 496764 + ... + 499019.

It is an arithmetic number, because the mean of its divisors is an integer number (89620560).

Almost surely, 2^1123243224 is an apocalyptic number.

It is an amenable number.

1123243224 is an abundant number, since it is smaller than the sum of its proper divisors (1744614696).

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

1123243224 is a wasteful number, since it uses less digits than its factorization.

1123243224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995839 (or 995835 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 1123243224 is about 33514.8209602856. The cubic root of 1123243224 is about 1039.5002603973.

Adding to 1123243224 its reverse (4223423211), we get a palindrome (5346666435).

The spelling of 1123243224 in words is "one billion, one hundred twenty-three million, two hundred forty-three thousand, two hundred twenty-four".