423538304 has 64 divisors (see below), whose sum is σ = 986821440. Its totient is φ = 177278976.

The previous prime is 423538279. The next prime is 423538309. The reversal of 423538304 is 403835324.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (423538309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33032 + ... + 44024.

It is an arithmetic number, because the mean of its divisors is an integer number (15419085).

Almost surely, 2^423538304 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 423538304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (493410720).

423538304 is an abundant number, since it is smaller than the sum of its proper divisors (563283136).

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

423538304 is a wasteful number, since it uses less digits than its factorization.

423538304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11057 (or 11045 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 423538304 is about 20580.0462584514. The cubic root of 423538304 is about 750.9843690877.

The spelling of 423538304 in words is "four hundred twenty-three million, five hundred thirty-eight thousand, three hundred four".