2123104775 has 12 divisors (see below), whose sum is σ = 2871982104. Its totient is φ = 1544076000.

The previous prime is 2123104757. The next prime is 2123104801. The reversal of 2123104775 is 5774013212.

It is not a de Polignac number, because 2123104775 - 2¹⁶ = 2123039239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3859916 + ... + 3860465.

It is an arithmetic number, because the mean of its divisors is an integer number (239331842).

Almost surely, 2^2123104775 is an apocalyptic number.

2123104775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2123104775 is a deficient number, since it is larger than the sum of its proper divisors (748877329).

2123104775 is a wasteful number, since it uses less digits than its factorization.

2123104775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7720402 (or 7720397 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 2123104775 is about 46077.1610996164. The cubic root of 2123104775 is about 1285.2584732418.

Adding to 2123104775 its reverse (5774013212), we get a palindrome (7897117987).

The spelling of 2123104775 in words is "two billion, one hundred twenty-three million, one hundred four thousand, seven hundred seventy-five".