8423078823 has 24 divisors (see below), whose sum is σ = 12671526816. Its totient is φ = 5386651200.

The previous prime is 8423078813. The next prime is 8423078831. The reversal of 8423078823 is 3288703248.

It is a de Polignac number, because none of the positive numbers 2^k-8423078823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8423078813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154488 + ... + 201773.

It is an arithmetic number, because the mean of its divisors is an integer number (527980284).

Almost surely, 2^8423078823 is an apocalyptic number.

8423078823 is a deficient number, since it is larger than the sum of its proper divisors (4248447993).

8423078823 is a wasteful number, since it uses less digits than its factorization.

8423078823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356375 (or 356372 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 8423078823 is about 91777.3328387789. The cubic root of 8423078823 is about 2034.6526962962.

The spelling of 8423078823 in words is "eight billion, four hundred twenty-three million, seventy-eight thousand, eight hundred twenty-three".