8423386144 has 24 divisors (see below), whose sum is σ = 16744553280. Its totient is φ = 4170801216.

The previous prime is 8423386141. The next prime is 8423386183. The reversal of 8423386144 is 4416833248.

It is a self number, because there is not a number n which added to its sum of digits gives 8423386144.

It is not an unprimeable number, because it can be changed into a prime (8423386141) 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, 1274524 + ... + 1281115.

It is an arithmetic number, because the mean of its divisors is an integer number (697689720).

Almost surely, 2^8423386144 is an apocalyptic number.

It is an amenable number.

8423386144 is a deficient number, since it is larger than the sum of its proper divisors (8321167136).

8423386144 is a wasteful number, since it uses less digits than its factorization.

8423386144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555752 (or 2555744 counting only the distinct ones).

The product of its digits is 442368, while the sum is 43.

The square root of 8423386144 is about 91779.0070985735. The cubic root of 8423386144 is about 2034.6774411632.

The spelling of 8423386144 in words is "eight billion, four hundred twenty-three million, three hundred eighty-six thousand, one hundred forty-four".