2123104004 has 48 divisors (see below), whose sum is σ = 4476124800. Its totient is φ = 860772096.

The previous prime is 2123104001. The next prime is 2123104073. The reversal of 2123104004 is 4004013212.

It is a super-2 number, since 2×2123104004² = 9015141223601664032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2123104001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427922 + ... + 432854.

It is an arithmetic number, because the mean of its divisors is an integer number (93252600).

Almost surely, 2^2123104004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2123104004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2238062400).

2123104004 is an abundant number, since it is smaller than the sum of its proper divisors (2353020796).

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

2123104004 is a wasteful number, since it uses less digits than its factorization.

2123104004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5772 (or 5770 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2123104004 is about 46077.1527332148. The cubic root of 2123104004 is about 1285.2583176624.

Adding to 2123104004 its reverse (4004013212), we get a palindrome (6127117216).

The spelling of 2123104004 in words is "two billion, one hundred twenty-three million, one hundred four thousand, four".