423442421422 has 8 divisors (see below), whose sum is σ = 641452381272. Its totient is φ = 209624961000.

The previous prime is 423442421377. The next prime is 423442421431. The reversal of 423442421422 is 224124244324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048124604 + ... + 1048125007.

It is an arithmetic number, because the mean of its divisors is an integer number (80181547659).

Almost surely, 2^423442421422 is an apocalyptic number.

423442421422 is a deficient number, since it is larger than the sum of its proper divisors (218009959850).

423442421422 is a wasteful number, since it uses less digits than its factorization.

423442421422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096249714.

The product of its digits is 98304, while the sum is 34.

Adding to 423442421422 its reverse (224124244324), we get a palindrome (647566665746).

The spelling of 423442421422 in words is "four hundred twenty-three billion, four hundred forty-two million, four hundred twenty-one thousand, four hundred twenty-two".