423320328 has 48 divisors (see below), whose sum is σ = 1168135020. Its totient is φ = 138443136.

The previous prime is 423320321. The next prime is 423320341. The reversal of 423320328 is 823023324.

423320328 is a `hidden beast` number, since 4 + 2 + 332 + 0 + 328 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 393704964 + 29615364 = 19842^2 + 5442^2 .

It is not an unprimeable number, because it can be changed into a prime (423320321) 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, 51651 + ... + 59282.

Almost surely, 2^423320328 is an apocalyptic number.

It is an amenable number.

423320328 is an abundant number, since it is smaller than the sum of its proper divisors (744814692).

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

423320328 is a wasteful number, since it uses less digits than its factorization.

423320328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110998 (or 110991 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 423320328 is about 20574.7497676156. The cubic root of 423320328 is about 750.8555144224.

The spelling of 423320328 in words is "four hundred twenty-three million, three hundred twenty thousand, three hundred twenty-eight".