423223444242 has 48 divisors (see below), whose sum is σ = 991334223360. Its totient is φ = 130037355936.

The previous prime is 423223444211. The next prime is 423223444289. The reversal of 423223444242 is 242444322324.

423223444242 is a `hidden beast` number, since 4 + 2 + 3 + 223 + 4 + 4 + 424 + 2 = 666.

It is a super-2 number, since 2×423223444242² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423223444197 and 423223444206.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16710258 + ... + 16735565.

It is an arithmetic number, because the mean of its divisors is an integer number (20652796320).

Almost surely, 2^423223444242 is an apocalyptic number.

423223444242 is an abundant number, since it is smaller than the sum of its proper divisors (568110779118).

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

423223444242 is a wasteful number, since it uses less digits than its factorization.

423223444242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33445887 (or 33445884 counting only the distinct ones).

The product of its digits is 294912, while the sum is 36.

Adding to 423223444242 its reverse (242444322324), we get a palindrome (665667766566).

The spelling of 423223444242 in words is "four hundred twenty-three billion, two hundred twenty-three million, four hundred forty-four thousand, two hundred forty-two".