423524332 has 96 divisors (see below), whose sum is σ = 999806976. Its totient is φ = 151910400.

The previous prime is 423524327. The next prime is 423524351. The reversal of 423524332 is 233425324.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 423524332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245232 + ... + 246952.

It is an arithmetic number, because the mean of its divisors is an integer number (10414656).

Almost surely, 2^423524332 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 423524332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (499903488).

423524332 is an abundant number, since it is smaller than the sum of its proper divisors (576282644).

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

423524332 is a wasteful number, since it uses less digits than its factorization.

423524332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807 (or 1805 counting only the distinct ones).

The product of its digits is 17280, while the sum is 28.

The square root of 423524332 is about 20579.7068006325. The cubic root of 423524332 is about 750.9761109846.

Adding to 423524332 its reverse (233425324), we get a palindrome (656949656).

The spelling of 423524332 in words is "four hundred twenty-three million, five hundred twenty-four thousand, three hundred thirty-two".