591423 has 8 divisors (see below), whose sum is σ = 901248. Its totient is φ = 337944.

The previous prime is 591421. The next prime is 591431. The reversal of 591423 is 324195.

591423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 591423 - 2¹ = 591421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 591393 and 591402.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 591423.

It is not an unprimeable number, because it can be changed into a prime (591421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14061 + ... + 14102.

It is an arithmetic number, because the mean of its divisors is an integer number (112656).

2⁵⁹¹⁴²³ is an apocalyptic number.

591423 is a deficient number, since it is larger than the sum of its proper divisors (309825).

591423 is a wasteful number, since it uses less digits than its factorization.

591423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28173.

The product of its digits is 1080, while the sum is 24.

The square root of 591423 is about 769.0403110371. The cubic root of 591423 is about 83.9394404773.

The spelling of 591423 in words is "five hundred ninety-one thousand, four hundred twenty-three".