422012023 has 4 divisors (see below), whose sum is σ = 429974568. Its totient is φ = 414049480.

The previous prime is 422011987. The next prime is 422012033. The reversal of 422012023 is 320210224.

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 422012023 - 2⁹ = 422011511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422011988 and 422012006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422012033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3981193 + ... + 3981298.

It is an arithmetic number, because the mean of its divisors is an integer number (107493642).

Almost surely, 2^422012023 is an apocalyptic number.

422012023 is a deficient number, since it is larger than the sum of its proper divisors (7962545).

422012023 is an equidigital number, since it uses as much as digits as its factorization.

422012023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7962544.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 422012023 is about 20542.9312173312. The cubic root of 422012023 is about 750.0811900254.

Adding to 422012023 its reverse (320210224), we get a palindrome (742222247).

The spelling of 422012023 in words is "four hundred twenty-two million, twelve thousand, twenty-three".