2123313123304 has 16 divisors (see below), whose sum is σ = 3986643511620. Its totient is φ = 1060208186880.

The previous prime is 2123313123287. The next prime is 2123313123313. The reversal of 2123313123304 is 4033213133212.

It can be written as a sum of positive squares in 2 ways, for example, as 1730271898404 + 393041224900 = 1315398^2 + 626930^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181040617 + ... + 181052344.

Almost surely, 2^{2123313123304} is an apocalyptic number.

It is an amenable number.

2123313123304 is a deficient number, since it is larger than the sum of its proper divisors (1863330388316).

2123313123304 is a wasteful number, since it uses less digits than its factorization.

2123313123304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362093700 (or 362093696 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 2123313123304 its reverse (4033213133212), we get a palindrome (6156526256516).

The spelling of 2123313123304 in words is "two trillion, one hundred twenty-three billion, three hundred thirteen million, one hundred twenty-three thousand, three hundred four".