2123323404 has 48 divisors (see below), whose sum is σ = 5055337056. Its totient is φ = 693504000.

The previous prime is 2123323387. The next prime is 2123323417. The reversal of 2123323404 is 4043233212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108534 + ... + 126594.

It is an arithmetic number, because the mean of its divisors is an integer number (105319522).

Almost surely, 2^2123323404 is an apocalyptic number.

It is an amenable number.

2123323404 is an abundant number, since it is smaller than the sum of its proper divisors (2932013652).

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

2123323404 is a wasteful number, since it uses less digits than its factorization.

2123323404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18266 (or 18264 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 2123323404 is about 46079.5334611799. The cubic root of 2123323404 is about 1285.3025886859.

Adding to 2123323404 its reverse (4043233212), we get a palindrome (6166556616).

The spelling of 2123323404 in words is "two billion, one hundred twenty-three million, three hundred twenty-three thousand, four hundred four".