4423813 has 4 divisors (see below), whose sum is σ = 4428160. Its totient is φ = 4419468.

The previous prime is 4423807. The next prime is 4423823. The reversal of 4423813 is 3183244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, 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 4423813 - 2⁹ = 4423301 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268 + ... + 2986.

It is an arithmetic number, because the mean of its divisors is an integer number (1107040).

Almost surely, 2^4423813 is an apocalyptic number.

It is an amenable number.

4423813 is a deficient number, since it is larger than the sum of its proper divisors (4347).

4423813 is a wasteful number, since it uses less digits than its factorization.

4423813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4346.

The product of its digits is 2304, while the sum is 25.

The square root of 4423813 is about 2103.2862382472. The cubic root of 4423813 is about 164.1593360236.

The spelling of 4423813 in words is "four million, four hundred twenty-three thousand, eight hundred thirteen".