1123421324 has 12 divisors (see below), whose sum is σ = 1966280400. Its totient is φ = 561626928.

The previous prime is 1123421263. The next prime is 1123421329. The reversal of 1123421324 is 4231243211.

It is a self number, because there is not a number n which added to its sum of digits gives 1123421324.

It is not an unprimeable number, because it can be changed into a prime (1123421329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16817 + ... + 50295.

It is an arithmetic number, because the mean of its divisors is an integer number (163856700).

Almost surely, 2^1123421324 is an apocalyptic number.

It is an amenable number.

1123421324 is a deficient number, since it is larger than the sum of its proper divisors (842859076).

1123421324 is a wasteful number, since it uses less digits than its factorization.

1123421324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41872 (or 41870 counting only the distinct ones).

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

The square root of 1123421324 is about 33517.4778884092. The cubic root of 1123421324 is about 1039.5551981016. Note that the first 3 decimals are identical.

Adding to 1123421324 its reverse (4231243211), we get a palindrome (5354664535).

The spelling of 1123421324 in words is "one billion, one hundred twenty-three million, four hundred twenty-one thousand, three hundred twenty-four".