4144423 has 2 divisors, whose sum is σ = 4144424. Its totient is φ = 4144422.

The previous prime is 4144409. The next prime is 4144457. The reversal of 4144423 is 3244414.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4144423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4144394 and 4144403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4142423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072211 + 2072212.

It is an arithmetic number, because the mean of its divisors is an integer number (2072212).

Almost surely, 2^4144423 is an apocalyptic number.

4144423 is a deficient number, since it is larger than the sum of its proper divisors (1).

4144423 is an equidigital number, since it uses as much as digits as its factorization.

4144423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 22.

The square root of 4144423 is about 2035.7855977484. The cubic root of 4144423 is about 160.6280393779.

Adding to 4144423 its reverse (3244414), we get a palindrome (7388837).

Subtracting from 4144423 its reverse (3244414), we obtain a palindrome (900009).

The spelling of 4144423 in words is "four million, one hundred forty-four thousand, four hundred twenty-three".