423888856 has 16 divisors (see below), whose sum is σ = 795349800. Its totient is φ = 211795584.

The previous prime is 423888851. The next prime is 423888937. The reversal of 423888856 is 658888324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423888851) 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, 6001 + ... + 29728.

Almost surely, 2^423888856 is an apocalyptic number.

It is an amenable number.

423888856 is a deficient number, since it is larger than the sum of its proper divisors (371460944).

423888856 is a wasteful number, since it uses less digits than its factorization.

423888856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37218 (or 37214 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 52.

The square root of 423888856 is about 20588.5612901922. The cubic root of 423888856 is about 751.1915022423.

The spelling of 423888856 in words is "four hundred twenty-three million, eight hundred eighty-eight thousand, eight hundred fifty-six".