423889718936 has 32 divisors (see below), whose sum is σ = 803495484000. Its totient is φ = 209631096576.

The previous prime is 423889718927. The next prime is 423889718947. The reversal of 423889718936 is 639817988324.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69005 + ... + 923331.

It is an arithmetic number, because the mean of its divisors is an integer number (25109233875).

Almost surely, 2^423889718936 is an apocalyptic number.

It is an amenable number.

423889718936 is a deficient number, since it is larger than the sum of its proper divisors (379605765064).

423889718936 is a wasteful number, since it uses less digits than its factorization.

423889718936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855011 (or 855007 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 68.

The spelling of 423889718936 in words is "four hundred twenty-three billion, eight hundred eighty-nine million, seven hundred eighteen thousand, nine hundred thirty-six".