422304340123 has 4 divisors (see below), whose sum is σ = 444530884360. Its totient is φ = 400077795888.

The previous prime is 422304340121. The next prime is 422304340177. The reversal of 422304340123 is 321043403224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422304340123 - 2¹ = 422304340121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422304340091 and 422304340100.

It is not an unprimeable number, because it can be changed into a prime (422304340121) by changing a digit.

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, 11113272090 + ... + 11113272127.

It is an arithmetic number, because the mean of its divisors is an integer number (111132721090).

Almost surely, 2^422304340123 is an apocalyptic number.

422304340123 is a deficient number, since it is larger than the sum of its proper divisors (22226544237).

422304340123 is a wasteful number, since it uses less digits than its factorization.

422304340123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22226544236.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 422304340123 its reverse (321043403224), we get a palindrome (743347743347).

The spelling of 422304340123 in words is "four hundred twenty-two billion, three hundred four million, three hundred forty thousand, one hundred twenty-three".