8121883423 has 4 divisors (see below), whose sum is σ = 8122101120. Its totient is φ = 8121665728.

The previous prime is 8121883391. The next prime is 8121883453. The reversal of 8121883423 is 3243881218.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8121883423 - 2⁵ = 8121883391 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 (8121883453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37138 + ... + 132751.

It is an arithmetic number, because the mean of its divisors is an integer number (2030525280).

Almost surely, 2^8121883423 is an apocalyptic number.

8121883423 is a deficient number, since it is larger than the sum of its proper divisors (217697).

8121883423 is a wasteful number, since it uses less digits than its factorization.

8121883423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217696.

The product of its digits is 73728, while the sum is 40.

The square root of 8121883423 is about 90121.4925697527. The cubic root of 8121883423 is about 2010.1058022902.

The spelling of 8121883423 in words is "eight billion, one hundred twenty-one million, eight hundred eighty-three thousand, four hundred twenty-three".