423221312424 has 64 divisors (see below), whose sum is σ = 1068781573440. Its totient is φ = 139643993600.

The previous prime is 423221312419. The next prime is 423221312453. The reversal of 423221312424 is 424213122324.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 423221312391 and 423221312400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11585452 + ... + 11621924.

It is an arithmetic number, because the mean of its divisors is an integer number (16699712085).

Almost surely, 2^423221312424 is an apocalyptic number.

It is an amenable number.

423221312424 is an abundant number, since it is smaller than the sum of its proper divisors (645560261016).

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

423221312424 is a wasteful number, since it uses less digits than its factorization.

423221312424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41370 (or 41366 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

Adding to 423221312424 its reverse (424213122324), we get a palindrome (847434434748).

The spelling of 423221312424 in words is "four hundred twenty-three billion, two hundred twenty-one million, three hundred twelve thousand, four hundred twenty-four".