423918866684 has 12 divisors (see below), whose sum is σ = 742168564200. Its totient is φ = 211870705488.

The previous prime is 423918866671. The next prime is 423918866737. The reversal of 423918866684 is 486668819324.

It is a self number, because there is not a number n which added to its sum of digits gives 423918866684.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22171214 + ... + 22190325.

It is an arithmetic number, because the mean of its divisors is an integer number (61847380350).

Almost surely, 2^423918866684 is an apocalyptic number.

It is an amenable number.

423918866684 is a deficient number, since it is larger than the sum of its proper divisors (318249697516).

423918866684 is a wasteful number, since it uses less digits than its factorization.

423918866684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44363932 (or 44363930 counting only the distinct ones).

The product of its digits is 95551488, while the sum is 65.

The spelling of 423918866684 in words is "four hundred twenty-three billion, nine hundred eighteen million, eight hundred sixty-six thousand, six hundred eighty-four".