423403321312 has 48 divisors (see below), whose sum is σ = 862400196000. Its totient is φ = 204382420480.

The previous prime is 423403321301. The next prime is 423403321349. The reversal of 423403321312 is 213123304324.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18501237 + ... + 18524107.

It is an arithmetic number, because the mean of its divisors is an integer number (17966670750).

Almost surely, 2^423403321312 is an apocalyptic number.

It is an amenable number.

423403321312 is an abundant number, since it is smaller than the sum of its proper divisors (438996874688).

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

423403321312 is a wasteful number, since it uses less digits than its factorization.

423403321312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42859 (or 42851 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 423403321312 its reverse (213123304324), we get a palindrome (636526625636).

The spelling of 423403321312 in words is "four hundred twenty-three billion, four hundred three million, three hundred twenty-one thousand, three hundred twelve".