422423023 has 4 divisors (see below), whose sum is σ = 460825128. Its totient is φ = 384020920.

The previous prime is 422423017. The next prime is 422423039. The reversal of 422423023 is 320324224.

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 422423023 - 2¹³ = 422414831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422422985 and 422423003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422423003) 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, 19201036 + ... + 19201057.

It is an arithmetic number, because the mean of its divisors is an integer number (115206282).

Almost surely, 2^422423023 is an apocalyptic number.

422423023 is a deficient number, since it is larger than the sum of its proper divisors (38402105).

422423023 is a wasteful number, since it uses less digits than its factorization.

422423023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38402104.

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

The square root of 422423023 is about 20552.9322238945. The cubic root of 422423023 is about 750.3246138512.

Adding to 422423023 its reverse (320324224), we get a palindrome (742747247).

The spelling of 422423023 in words is "four hundred twenty-two million, four hundred twenty-three thousand, twenty-three".