8423056838 has 32 divisors (see below), whose sum is σ = 14583481920. Its totient is φ = 3573964800.

The previous prime is 8423056787. The next prime is 8423056847. The reversal of 8423056838 is 8386503248.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8423056792 and 8423056801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1752038 + ... + 1756838.

It is an arithmetic number, because the mean of its divisors is an integer number (455733810).

Almost surely, 2^8423056838 is an apocalyptic number.

8423056838 is a deficient number, since it is larger than the sum of its proper divisors (6160425082).

8423056838 is a wasteful number, since it uses less digits than its factorization.

8423056838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6032.

The product of its (nonzero) digits is 1105920, while the sum is 47.

The square root of 8423056838 is about 91777.2130651176. The cubic root of 8423056838 is about 2034.6509260853.

The spelling of 8423056838 in words is "eight billion, four hundred twenty-three million, fifty-six thousand, eight hundred thirty-eight".