423311221312 has 28 divisors (see below), whose sum is σ = 960009377920. Its totient is φ = 181419094656.

The previous prime is 423311221283. The next prime is 423311221367. The reversal of 423311221312 is 213122113324.

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472445112 + ... + 472446007.

Almost surely, 2^423311221312 is an apocalyptic number.

It is an amenable number.

423311221312 is an abundant number, since it is smaller than the sum of its proper divisors (536698156608).

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

423311221312 is an equidigital number, since it uses as much as digits as its factorization.

423311221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944891138 (or 944891128 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 423311221312 its reverse (213122113324), we get a palindrome (636433334636).

The spelling of 423311221312 in words is "four hundred twenty-three billion, three hundred eleven million, two hundred twenty-one thousand, three hundred twelve".