4423726823 has 2 divisors, whose sum is σ = 4423726824. Its totient is φ = 4423726822.

The previous prime is 4423726819. The next prime is 4423726871. The reversal of 4423726823 is 3286273244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4423726823 - 2² = 4423726819 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4423726883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2211863411 + 2211863412.

It is an arithmetic number, because the mean of its divisors is an integer number (2211863412).

Almost surely, 2^4423726823 is an apocalyptic number.

4423726823 is a deficient number, since it is larger than the sum of its proper divisors (1).

4423726823 is an equidigital number, since it uses as much as digits as its factorization.

4423726823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 41.

The square root of 4423726823 is about 66511.1030054381. The cubic root of 4423726823 is about 1641.5827006153.

The spelling of 4423726823 in words is "four billion, four hundred twenty-three million, seven hundred twenty-six thousand, eight hundred twenty-three".