2123320224004 has 18 divisors (see below), whose sum is σ = 4322473313550. Its totient is φ = 909994381632.

The previous prime is 2123320223993. The next prime is 2123320224031. The reversal of 2123320224004 is 4004220233212.

It can be written as a sum of positive squares in only one way, i.e., 1666887566400 + 456432657604 = 1291080^2 + 675598^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2123320224004.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5416633029 + ... + 5416633420.

Almost surely, 2^{2123320224004} is an apocalyptic number.

It is an amenable number.

2123320224004 is an abundant number, since it is smaller than the sum of its proper divisors (2199153089546).

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

2123320224004 is a wasteful number, since it uses less digits than its factorization.

2123320224004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10833266467 (or 10833266458 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 2123320224004 its reverse (4004220233212), we get a palindrome (6127540457216).

The spelling of 2123320224004 in words is "two trillion, one hundred twenty-three billion, three hundred twenty million, two hundred twenty-four thousand, four".