423224423 has 2 divisors, whose sum is σ = 423224424. Its totient is φ = 423224422.

The previous prime is 423224413. The next prime is 423224443. The reversal of 423224423 is 324422324.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423224423 - 2²⁴ = 406447207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423224392 and 423224401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423224413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211612211 + 211612212.

It is an arithmetic number, because the mean of its divisors is an integer number (211612212).

Almost surely, 2^423224423 is an apocalyptic number.

423224423 is a deficient number, since it is larger than the sum of its proper divisors (1).

423224423 is an equidigital number, since it uses as much as digits as its factorization.

423224423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 26.

The square root of 423224423 is about 20572.4189875668. The cubic root of 423224423 is about 750.7988069819.

Adding to 423224423 its reverse (324422324), we get a palindrome (747646747).

The spelling of 423224423 in words is "four hundred twenty-three million, two hundred twenty-four thousand, four hundred twenty-three".