423272832 has 64 divisors (see below), whose sum is σ = 1128956400. Its totient is φ = 140509184.

The previous prime is 423272831. The next prime is 423272849. The reversal of 423272832 is 238272324.

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

It is a junction number, because it is equal to n+sod(n) for n = 423272793 and 423272802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423272831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96544 + ... + 100832.

Almost surely, 2^423272832 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 423272832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564478200).

423272832 is an abundant number, since it is smaller than the sum of its proper divisors (705683568).

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

423272832 is a wasteful number, since it uses less digits than its factorization.

423272832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4563 (or 4551 counting only the distinct ones).

The product of its digits is 32256, while the sum is 33.

The square root of 423272832 is about 20573.5955049184. The cubic root of 423272832 is about 750.8274316956.

The spelling of 423272832 in words is "four hundred twenty-three million, two hundred seventy-two thousand, eight hundred thirty-two".