422434123 has 8 divisors (see below), whose sum is σ = 441768096. Its totient is φ = 403180800.

The previous prime is 422434121. The next prime is 422434147. The reversal of 422434123 is 321434224.

It is a happy number.

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

It is not a de Polignac number, because 422434123 - 2¹ = 422434121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422434121) 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, 9318 + ... + 30523.

It is an arithmetic number, because the mean of its divisors is an integer number (55221012).

Almost surely, 2^422434123 is an apocalyptic number.

422434123 is a deficient number, since it is larger than the sum of its proper divisors (19333973).

422434123 is a wasteful number, since it uses less digits than its factorization.

422434123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40325.

The product of its digits is 4608, while the sum is 25.

The square root of 422434123 is about 20553.2022565828. The cubic root of 422434123 is about 750.3311858812.

Adding to 422434123 its reverse (321434224), we get a palindrome (743868347).

The spelling of 422434123 in words is "four hundred twenty-two million, four hundred thirty-four thousand, one hundred twenty-three".