1123424200 has 24 divisors (see below), whose sum is σ = 2611961730. Its totient is φ = 449369600.

The previous prime is 1123424189. The next prime is 1123424201. The reversal of 1123424200 is 24243211.

It can be written as a sum of positive squares in 3 ways, for example, as 427414276 + 696009924 = 20674^2 + 26382^2 .

It is not an unprimeable number, because it can be changed into a prime (1123424201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2808361 + ... + 2808760.

Almost surely, 2^1123424200 is an apocalyptic number.

1123424200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123424200 is an abundant number, since it is smaller than the sum of its proper divisors (1488537530).

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

1123424200 is a wasteful number, since it uses less digits than its factorization.

1123424200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5617137 (or 5617128 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1123424200 is about 33517.5207913712. The cubic root of 1123424200 is about 1039.5560852007.

Adding to 1123424200 its reverse (24243211), we get a palindrome (1147667411).

The spelling of 1123424200 in words is "one billion, one hundred twenty-three million, four hundred twenty-four thousand, two hundred".