423784623688 has 32 divisors (see below), whose sum is σ = 823310438400. Its totient is φ = 204370698688.

The previous prime is 423784623673. The next prime is 423784623697. The reversal of 423784623688 is 886326487324.

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, 8445256 + ... + 8495287.

It is an arithmetic number, because the mean of its divisors is an integer number (25728451200).

Almost surely, 2^423784623688 is an apocalyptic number.

It is an amenable number.

423784623688 is a deficient number, since it is larger than the sum of its proper divisors (399525814712).

423784623688 is a wasteful number, since it uses less digits than its factorization.

423784623688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16940661 (or 16940657 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 61.

The spelling of 423784623688 in words is "four hundred twenty-three billion, seven hundred eighty-four million, six hundred twenty-three thousand, six hundred eighty-eight".