422004423 has 8 divisors (see below), whose sum is σ = 562770288. Its totient is φ = 281287424.

The previous prime is 422004419. The next prime is 422004449. The reversal of 422004423 is 324400224.

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

It is a cyclic number.

It is not a de Polignac number, because 422004423 - 2² = 422004419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422004423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422004463) 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, 20311 + ... + 35447.

It is an arithmetic number, because the mean of its divisors is an integer number (70346286).

Almost surely, 2^422004423 is an apocalyptic number.

422004423 is a deficient number, since it is larger than the sum of its proper divisors (140765865).

422004423 is a wasteful number, since it uses less digits than its factorization.

422004423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24433.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 422004423 is about 20542.7462380277. The cubic root of 422004423 is about 750.0766872696.

Adding to 422004423 its reverse (324400224), we get a palindrome (746404647).

The spelling of 422004423 in words is "four hundred twenty-two million, four thousand, four hundred twenty-three".