4138856823 has 8 divisors (see below), whose sum is σ = 5529069936. Its totient is φ = 2753940800.

The previous prime is 4138856803. The next prime is 4138856833. The reversal of 4138856823 is 3286588314.

4138856823 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4138856823 - 2⁶ = 4138856759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4138856803) 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, 1322448 + ... + 1325573.

It is an arithmetic number, because the mean of its divisors is an integer number (691133742).

Almost surely, 2^4138856823 is an apocalyptic number.

4138856823 is a deficient number, since it is larger than the sum of its proper divisors (1390213113).

4138856823 is a wasteful number, since it uses less digits than its factorization.

4138856823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648545.

The product of its digits is 1105920, while the sum is 48.

The square root of 4138856823 is about 64333.9476715054. The cubic root of 4138856823 is about 1605.5609653929.

The spelling of 4138856823 in words is "four billion, one hundred thirty-eight million, eight hundred fifty-six thousand, eight hundred twenty-three".