423224147 has 2 divisors, whose sum is σ = 423224148. Its totient is φ = 423224146.

The previous prime is 423224141. The next prime is 423224149. The reversal of 423224147 is 741422324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423224147 - 2¹⁰ = 423223123 is a prime.

Together with 423224149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (423224141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211612073 + 211612074.

It is an arithmetic number, because the mean of its divisors is an integer number (211612074).

Almost surely, 2^423224147 is an apocalyptic number.

423224147 is a deficient number, since it is larger than the sum of its proper divisors (1).

423224147 is an equidigital number, since it uses as much as digits as its factorization.

423224147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 29.

The square root of 423224147 is about 20572.4122795554. The cubic root of 423224147 is about 750.7986437741.

The spelling of 423224147 in words is "four hundred twenty-three million, two hundred twenty-four thousand, one hundred forty-seven".