423495216 has 200 divisors, whose sum is σ = 1290584064. Its totient is φ = 133902720.

The previous prime is 423495203. The next prime is 423495257. The reversal of 423495216 is 612594324.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3334545 + ... + 3334671.

Almost surely, 2^423495216 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 423495216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (645292032).

423495216 is an abundant number, since it is smaller than the sum of its proper divisors (867088848).

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

423495216 is a wasteful number, since it uses less digits than its factorization.

423495216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 246 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 423495216 is about 20578.9993925847. Note that the first 3 decimals coincide. The cubic root of 423495216 is about 750.9589014881.

The spelling of 423495216 in words is "four hundred twenty-three million, four hundred ninety-five thousand, two hundred sixteen".