423128676 has 48 divisors (see below), whose sum is σ = 1025216640. Its totient is φ = 135663360.

The previous prime is 423128663. The next prime is 423128683. The reversal of 423128676 is 676821324.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95625 + ... + 99951.

It is an arithmetic number, because the mean of its divisors is an integer number (21358680).

Almost surely, 2^423128676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423128676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (512608320).

423128676 is an abundant number, since it is smaller than the sum of its proper divisors (602087964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423128676 is a wasteful number, since it uses less digits than its factorization.

423128676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4644 (or 4642 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 423128676 is about 20570.0917839469. The cubic root of 423128676 is about 750.7421844186.

The spelling of 423128676 in words is "four hundred twenty-three million, one hundred twenty-eight thousand, six hundred seventy-six".