423033432 has 64 divisors (see below), whose sum is σ = 1089612000. Its totient is φ = 136765440.

The previous prime is 423033431. The next prime is 423033433. The reversal of 423033432 is 234330324.

It is an interprime number because it is at equal distance from previous prime (423033431) and next prime (423033433).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423033431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398182 + ... + 399242.

Almost surely, 2^423033432 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 423033432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544806000).

423033432 is an abundant number, since it is smaller than the sum of its proper divisors (666578568).

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

423033432 is a wasteful number, since it uses less digits than its factorization.

423033432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556 (or 1552 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

The square root of 423033432 is about 20567.7765448772. The cubic root of 423033432 is about 750.6858508425.

Adding to 423033432 its reverse (234330324), we get a palindrome (657363756).

The spelling of 423033432 in words is "four hundred twenty-three million, thirty-three thousand, four hundred thirty-two".