423440012204022 has 16 divisors (see below), whose sum is σ = 923869117536192. Its totient is φ = 128315155213320.

The previous prime is 423440012204021. The next prime is 423440012204081. The reversal of 423440012204022 is 220402210044324.

It is a happy number.

It is a super-3 number, since 3×423440012204022³ (a number of 45 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423440012204021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3207878880268 + ... + 3207878880399.

It is an arithmetic number, because the mean of its divisors is an integer number (57741819846012).

Almost surely, 2^{423440012204022} is an apocalyptic number.

423440012204022 is an abundant number, since it is smaller than the sum of its proper divisors (500429105332170).

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

423440012204022 is a wasteful number, since it uses less digits than its factorization.

423440012204022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6415757760683.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 423440012204022 its reverse (220402210044324), we get a palindrome (643842222248346).

The spelling of 423440012204022 in words is "four hundred twenty-three trillion, four hundred forty billion, twelve million, two hundred four thousand, twenty-two".