424423 has 2 divisors, whose sum is σ = 424424. Its totient is φ = 424422.

The previous prime is 424397. The next prime is 424429. The reversal of 424423 is 324424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424423 - 2¹⁷ = 293351 is a prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 424423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212211 + 212212.

It is an arithmetic number, because the mean of its divisors is an integer number (212212).

2⁴²⁴⁴²³ is an apocalyptic number.

424423 is a deficient number, since it is larger than the sum of its proper divisors (1).

424423 is an equidigital number, since it uses as much as digits as its factorization.

424423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 19.

The square root of 424423 is about 651.4775514168. The cubic root of 424423 is about 75.1506896250.

Adding to 424423 its reverse (324424), we get a palindrome (748847).

Subtracting from 424423 its reverse (324424), we obtain a palindrome (99999).

It can be divided in two parts, 42 and 4423, that added together give a triangular number (4465 = T₉₄).

The spelling of 424423 in words is "four hundred twenty-four thousand, four hundred twenty-three", and thus it is an iban number.