2104665823 has 8 divisors (see below), whose sum is σ = 2273950448. Its totient is φ = 1936436544.

The previous prime is 2104665821. The next prime is 2104665907. The reversal of 2104665823 is 3285664012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2104665823 - 2¹ = 2104665821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104665821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259686 + ... + 267667.

It is an arithmetic number, because the mean of its divisors is an integer number (284243806).

Almost surely, 2^2104665823 is an apocalyptic number.

2104665823 is a deficient number, since it is larger than the sum of its proper divisors (169284625).

2104665823 is a wasteful number, since it uses less digits than its factorization.

2104665823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527673.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 2104665823 is about 45876.6370062148. The cubic root of 2104665823 is about 1281.5268691275.

The spelling of 2104665823 in words is "two billion, one hundred four million, six hundred sixty-five thousand, eight hundred twenty-three".