2184690823 has 16 divisors (see below), whose sum is σ = 2549800000. Its totient is φ = 1871081856.

The previous prime is 2184690821. The next prime is 2184690829. The reversal of 2184690823 is 3280964812.

2184690823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2184690823 - 2¹ = 2184690821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2184690823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2184690821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 715003 + ... + 718051.

It is an arithmetic number, because the mean of its divisors is an integer number (159362500).

Almost surely, 2^2184690823 is an apocalyptic number.

2184690823 is a deficient number, since it is larger than the sum of its proper divisors (365109177).

2184690823 is an equidigital number, since it uses as much as digits as its factorization.

2184690823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5159 (or 5145 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 2184690823 is about 46740.6763215938. The cubic root of 2184690823 is about 1297.5676060917.

The spelling of 2184690823 in words is "two billion, one hundred eighty-four million, six hundred ninety thousand, eight hundred twenty-three".