423927388847 has 4 divisors (see below), whose sum is σ = 423950972760. Its totient is φ = 423903804936.

The previous prime is 423927388831. The next prime is 423927388849. The reversal of 423927388847 is 748883729324.

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

It is a cyclic number.

It is not a de Polignac number, because 423927388847 - 2⁴ = 423927388831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423927388849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11764973 + ... + 11800950.

It is an arithmetic number, because the mean of its divisors is an integer number (105987743190).

Almost surely, 2^423927388847 is an apocalyptic number.

423927388847 is a deficient number, since it is larger than the sum of its proper divisors (23583913).

423927388847 is a wasteful number, since it uses less digits than its factorization.

423927388847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23583912.

The product of its digits is 130056192, while the sum is 65.

The spelling of 423927388847 in words is "four hundred twenty-three billion, nine hundred twenty-seven million, three hundred eighty-eight thousand, eight hundred forty-seven".