4423823 has 2 divisors, whose sum is σ = 4423824. Its totient is φ = 4423822.

The previous prime is 4423807. The next prime is 4423829. The reversal of 4423823 is 3283244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4423823 - 2⁴ = 4423807 is a prime.

It is a Sophie Germain prime.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 4423792 and 4423801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4423829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2211911 + 2211912.

It is an arithmetic number, because the mean of its divisors is an integer number (2211912).

Almost surely, 2^4423823 is an apocalyptic number.

4423823 is a deficient number, since it is larger than the sum of its proper divisors (1).

4423823 is an equidigital number, since it uses as much as digits as its factorization.

4423823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 26.

The square root of 4423823 is about 2103.2886154782. The cubic root of 4423823 is about 164.1594597172.

The spelling of 4423823 in words is "four million, four hundred twenty-three thousand, eight hundred twenty-three".