423075432 has 256 divisors, whose sum is σ = 1306368000. Its totient is φ = 112831488.

The previous prime is 423075431. The next prime is 423075463. The reversal of 423075432 is 234570324.

It is a self number, because there is not a number n which added to its sum of digits gives 423075432.

It is not an unprimeable number, because it can be changed into a prime (423075431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3953923 + ... + 3954029.

It is an arithmetic number, because the mean of its divisors is an integer number (5103000).

Almost surely, 2^423075432 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 423075432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653184000).

423075432 is an abundant number, since it is smaller than the sum of its proper divisors (883292568).

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

423075432 is a wasteful number, since it uses less digits than its factorization.

423075432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 423075432 is about 20568.7975341292. The cubic root of 423075432 is about 750.7106934515.

The spelling of 423075432 in words is "four hundred twenty-three million, seventy-five thousand, four hundred thirty-two".