8423394589347 has 4 divisors (see below), whose sum is σ = 11231192785800. Its totient is φ = 5615596392896.

The previous prime is 8423394589271. The next prime is 8423394589387. The reversal of 8423394589347 is 7439854933248.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8423394589347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8423394589387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1403899098222 + ... + 1403899098227.

It is an arithmetic number, because the mean of its divisors is an integer number (2807798196450).

Almost surely, 2^{8423394589347} is an apocalyptic number.

8423394589347 is a deficient number, since it is larger than the sum of its proper divisors (2807798196453).

8423394589347 is a wasteful number, since it uses less digits than its factorization.

8423394589347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807798196452.

The product of its digits is 627056640, while the sum is 69.

The spelling of 8423394589347 in words is "eight trillion, four hundred twenty-three billion, three hundred ninety-four million, five hundred eighty-nine thousand, three hundred forty-seven".