2183879823 has 32 divisors (see below), whose sum is σ = 3175128000. Its totient is φ = 1329592320.

The previous prime is 2183879821. The next prime is 2183879827. The reversal of 2183879823 is 3289783812.

It is a Cunningham number, because it is equal to 46732²-1.

It is not a de Polignac number, because 2183879823 - 2¹ = 2183879821 is a prime.

It is a super-2 number, since 2×2183879823² = 9538662162613022658, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2183879821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 793053 + ... + 795801.

It is an arithmetic number, because the mean of its divisors is an integer number (99222750).

Almost surely, 2^2183879823 is an apocalyptic number.

2183879823 is a deficient number, since it is larger than the sum of its proper divisors (991248177).

2183879823 is a wasteful number, since it uses less digits than its factorization.

2183879823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227.

The product of its digits is 1161216, while the sum is 51.

The square root of 2183879823 is about 46731.9999893007. Note that the first 4 decimals coincide. The cubic root of 2183879823 is about 1297.4070253878.

The spelling of 2183879823 in words is "two billion, one hundred eighty-three million, eight hundred seventy-nine thousand, eight hundred twenty-three".