424244423 has 2 divisors, whose sum is σ = 424244424. Its totient is φ = 424244422.

The previous prime is 424244413. The next prime is 424244441. The reversal of 424244423 is 324442424.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424244423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424244413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212122211 + 212122212.

It is an arithmetic number, because the mean of its divisors is an integer number (212122212).

Almost surely, 2^424244423 is an apocalyptic number.

424244423 is a deficient number, since it is larger than the sum of its proper divisors (1).

424244423 is an equidigital number, since it uses as much as digits as its factorization.

424244423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24576, while the sum is 29.

The square root of 424244423 is about 20597.1945419759. The cubic root of 424244423 is about 751.4014820181.

Adding to 424244423 its reverse (324442424), we get a palindrome (748686847).

The spelling of 424244423 in words is "four hundred twenty-four million, two hundred forty-four thousand, four hundred twenty-three".