423517976 has 48 divisors (see below), whose sum is σ = 927784440. Its totient is φ = 180714240.

The previous prime is 423517967. The next prime is 423517979. The reversal of 423517976 is 679715324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423517979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92231 + ... + 96713.

Almost surely, 2^423517976 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 423517976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463892220).

423517976 is an abundant number, since it is smaller than the sum of its proper divisors (504266464).

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

423517976 is a wasteful number, since it uses less digits than its factorization.

423517976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4744 (or 4733 counting only the distinct ones).

The product of its digits is 317520, while the sum is 44.

The square root of 423517976 is about 20579.5523760844. The cubic root of 423517976 is about 750.9723542323.

The spelling of 423517976 in words is "four hundred twenty-three million, five hundred seventeen thousand, nine hundred seventy-six".