422712023 has 2 divisors, whose sum is σ = 422712024. Its totient is φ = 422712022.

The previous prime is 422711977. The next prime is 422712067. The reversal of 422712023 is 320217224.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422712023 - 2⁶ = 422711959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422712023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422712523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211356011 + 211356012.

It is an arithmetic number, because the mean of its divisors is an integer number (211356012).

Almost surely, 2^422712023 is an apocalyptic number.

422712023 is a deficient number, since it is larger than the sum of its proper divisors (1).

422712023 is an equidigital number, since it uses as much as digits as its factorization.

422712023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 422712023 is about 20559.9616487969. The cubic root of 422712023 is about 750.4956859514.

Adding to 422712023 its reverse (320217224), we get a palindrome (742929247).

The spelling of 422712023 in words is "four hundred twenty-two million, seven hundred twelve thousand, twenty-three".