422203423 has 4 divisors (see below), whose sum is σ = 422639208. Its totient is φ = 421767640.

The previous prime is 422203393. The next prime is 422203471. The reversal of 422203423 is 324302224.

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 422203423 - 2⁵ = 422203391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422203394 and 422203403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428203423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216436 + ... + 218377.

It is an arithmetic number, because the mean of its divisors is an integer number (105659802).

Almost surely, 2^422203423 is an apocalyptic number.

422203423 is a deficient number, since it is larger than the sum of its proper divisors (435785).

422203423 is an equidigital number, since it uses as much as digits as its factorization.

422203423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435784.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 422203423 is about 20547.5892259895. The cubic root of 422203423 is about 750.1945705557.

Adding to 422203423 its reverse (324302224), we get a palindrome (746505647).

The spelling of 422203423 in words is "four hundred twenty-two million, two hundred three thousand, four hundred twenty-three".