4402423 has 2 divisors, whose sum is σ = 4402424. Its totient is φ = 4402422.

The previous prime is 4402421. The next prime is 4402429. The reversal of 4402423 is 3242044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4402423 - 2¹ = 4402421 is a prime.

Together with 4402421, it forms a pair of twin primes.

4402423 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4402423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4402421) 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, 2201211 + 2201212.

It is an arithmetic number, because the mean of its divisors is an integer number (2201212).

Almost surely, 2^4402423 is an apocalyptic number.

4402423 is a deficient number, since it is larger than the sum of its proper divisors (1).

4402423 is an equidigital number, since it uses as much as digits as its factorization.

4402423 is an odious number, because the sum of its binary digits is odd.

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

The square root of 4402423 is about 2098.1951768127. The cubic root of 4402423 is about 163.8943276223.

Adding to 4402423 its reverse (3242044), we get a palindrome (7644467).

The spelling of 4402423 in words is "four million, four hundred two thousand, four hundred twenty-three".