8142723806 has 8 divisors (see below), whose sum is σ = 13958955120. Its totient is φ = 3489738768.

The previous prime is 8142723803. The next prime is 8142723857. The reversal of 8142723806 is 6083272418.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8142723803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290811551 + ... + 290811578.

It is an arithmetic number, because the mean of its divisors is an integer number (1744869390).

Almost surely, 2^8142723806 is an apocalyptic number.

8142723806 is a deficient number, since it is larger than the sum of its proper divisors (5816231314).

8142723806 is a wasteful number, since it uses less digits than its factorization.

8142723806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581623138.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 8142723806 is about 90237.0423163348. The cubic root of 8142723806 is about 2011.8236138350.

The spelling of 8142723806 in words is "eight billion, one hundred forty-two million, seven hundred twenty-three thousand, eight hundred six".