423424147 has 2 divisors, whose sum is σ = 423424148. Its totient is φ = 423424146.

The previous prime is 423424123. The next prime is 423424171. The reversal of 423424147 is 741424324.

It is a balanced prime because it is at equal distance from previous prime (423424123) and next prime (423424171).

It is a cyclic number.

It is not a de Polignac number, because 423424147 - 2⁷ = 423424019 is a prime.

It is not a weakly prime, because it can be changed into another prime (423424187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211712073 + 211712074.

It is an arithmetic number, because the mean of its divisors is an integer number (211712074).

Almost surely, 2^423424147 is an apocalyptic number.

423424147 is a deficient number, since it is larger than the sum of its proper divisors (1).

423424147 is an equidigital number, since it uses as much as digits as its factorization.

423424147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 31.

The square root of 423424147 is about 20577.2725840914. The cubic root of 423424147 is about 750.9168916598.

The spelling of 423424147 in words is "four hundred twenty-three million, four hundred twenty-four thousand, one hundred forty-seven".