2123804432 has 20 divisors (see below), whose sum is σ = 4115744016. Its totient is φ = 1061676960.

The previous prime is 2123804413. The next prime is 2123804453. The reversal of 2123804432 is 2344083212.

It is a junction number, because it is equal to n+sod(n) for n = 2123804395 and 2123804404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84707 + ... + 106877.

Almost surely, 2^2123804432 is an apocalyptic number.

It is an amenable number.

2123804432 is a deficient number, since it is larger than the sum of its proper divisors (1991939584).

2123804432 is a wasteful number, since it uses less digits than its factorization.

2123804432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28166 (or 28160 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 2123804432 is about 46084.7527062910. The cubic root of 2123804432 is about 1285.3996409218.

Adding to 2123804432 its reverse (2344083212), we get a palindrome (4467887644).

The spelling of 2123804432 in words is "two billion, one hundred twenty-three million, eight hundred four thousand, four hundred thirty-two".