423151332 has 72 divisors (see below), whose sum is σ = 1040524800. Its totient is φ = 133826880.

The previous prime is 423151331. The next prime is 423151343. The reversal of 423151332 is 233151324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423151331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1212294 + ... + 1212642.

Almost surely, 2^423151332 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 423151332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520262400).

423151332 is an abundant number, since it is smaller than the sum of its proper divisors (617373468).

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

423151332 is a wasteful number, since it uses less digits than its factorization.

423151332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593 (or 568 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 423151332 is about 20570.6424790282. The cubic root of 423151332 is about 750.7555834248.

The spelling of 423151332 in words is "four hundred twenty-three million, one hundred fifty-one thousand, three hundred thirty-two".