423727 has 2 divisors, whose sum is σ = 423728. Its totient is φ = 423726.

The previous prime is 423713. The next prime is 423749. The reversal of 423727 is 727324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423727 - 2¹⁵ = 390959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211863 + 211864.

It is an arithmetic number, because the mean of its divisors is an integer number (211864).

2⁴²³⁷²⁷ is an apocalyptic number.

423727 is a deficient number, since it is larger than the sum of its proper divisors (1).

423727 is an equidigital number, since it uses as much as digits as its factorization.

423727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2352, while the sum is 25.

The square root of 423727 is about 650.9431618813. The cubic root of 423727 is about 75.1095879433.

The spelling of 423727 in words is "four hundred twenty-three thousand, seven hundred twenty-seven", and thus it is an iban number.