4821161823 has 8 divisors (see below), whose sum is σ = 7142462000. Its totient is φ = 3214107864.

The previous prime is 4821161797. The next prime is 4821161831. The reversal of 4821161823 is 3281611284.

4821161823 is a `hidden beast` number, since 4 + 8 + 2 + 11 + 618 + 23 = 666.

4821161823 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4821161823 - 2⁶ = 4821161759 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 (4821161893) 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, 89280748 + ... + 89280801.

It is an arithmetic number, because the mean of its divisors is an integer number (892807750).

Almost surely, 2^4821161823 is an apocalyptic number.

4821161823 is a deficient number, since it is larger than the sum of its proper divisors (2321300177).

4821161823 is a wasteful number, since it uses less digits than its factorization.

4821161823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178561558 (or 178561552 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 4821161823 is about 69434.5866481540. The cubic root of 4821161823 is about 1689.3406649210.

The spelling of 4821161823 in words is "four billion, eight hundred twenty-one million, one hundred sixty-one thousand, eight hundred twenty-three".