423651312 has 120 divisors (see below), whose sum is σ = 1364151776. Its totient is φ = 120227328.

The previous prime is 423651269. The next prime is 423651317. The reversal of 423651312 is 213156324.

423651312 is a `hidden beast` number, since 4 + 2 + 3 + 651 + 3 + 1 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423651317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156918 + ... + 159594.

Almost surely, 2^423651312 is an apocalyptic number.

423651312 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423651312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (682075888).

423651312 is an abundant number, since it is smaller than the sum of its proper divisors (940500464).

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

423651312 is a wasteful number, since it uses less digits than its factorization.

423651312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855 (or 2846 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 423651312 is about 20582.7916473932. The cubic root of 423651312 is about 751.0511554081.

The spelling of 423651312 in words is "four hundred twenty-three million, six hundred fifty-one thousand, three hundred twelve".