423939618339 has 8 divisors (see below), whose sum is σ = 565645639680. Its totient is φ = 282430004616.

The previous prime is 423939618301. The next prime is 423939618343. The reversal of 423939618339 is 933816939324.

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

It is a de Polignac number, because none of the positive numbers 2^k-423939618339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423939618539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49096867 + ... + 49105500.

It is an arithmetic number, because the mean of its divisors is an integer number (70705704960).

Almost surely, 2^423939618339 is an apocalyptic number.

423939618339 is a deficient number, since it is larger than the sum of its proper divisors (141706021341).

423939618339 is a wasteful number, since it uses less digits than its factorization.

423939618339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98203809.

The product of its digits is 22674816, while the sum is 60.

The spelling of 423939618339 in words is "four hundred twenty-three billion, nine hundred thirty-nine million, six hundred eighteen thousand, three hundred thirty-nine".