422304023 has 4 divisors (see below), whose sum is σ = 422880888. Its totient is φ = 421727160.

The previous prime is 422303993. The next prime is 422304049. The reversal of 422304023 is 320403224.

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 422304023 - 2¹⁴ = 422287639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422303986 and 422304004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422304073) 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, 287333 + ... + 288798.

It is an arithmetic number, because the mean of its divisors is an integer number (105720222).

Almost surely, 2^422304023 is an apocalyptic number.

422304023 is a deficient number, since it is larger than the sum of its proper divisors (576865).

422304023 is an equidigital number, since it uses as much as digits as its factorization.

422304023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576864.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 422304023 is about 20550.0370559277. The cubic root of 422304023 is about 750.2541497194.

Adding to 422304023 its reverse (320403224), we get a palindrome (742707247).

The spelling of 422304023 in words is "four hundred twenty-two million, three hundred four thousand, twenty-three".