4403423 has 4 divisors (see below), whose sum is σ = 4407648. Its totient is φ = 4399200.

The previous prime is 4403411. The next prime is 4403429. The reversal of 4403423 is 3243044.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4403423 - 2⁸ = 4403167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4403395 and 4403404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4403429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698 + ... + 3048.

It is an arithmetic number, because the mean of its divisors is an integer number (1101912).

Almost surely, 2^4403423 is an apocalyptic number.

4403423 is a deficient number, since it is larger than the sum of its proper divisors (4225).

4403423 is a wasteful number, since it uses less digits than its factorization.

4403423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 4403423 is about 2098.4334633245. The cubic root of 4403423 is about 163.9067360861.

Adding to 4403423 its reverse (3243044), we get a palindrome (7646467).

The spelling of 4403423 in words is "four million, four hundred three thousand, four hundred twenty-three".