523427 has 2 divisors, whose sum is σ = 523428. Its totient is φ = 523426.

The previous prime is 523417. The next prime is 523433. The reversal of 523427 is 724325.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (523417) 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, 261713 + 261714.

It is an arithmetic number, because the mean of its divisors is an integer number (261714).

2⁵²³⁴²⁷ is an apocalyptic number.

523427 is a deficient number, since it is larger than the sum of its proper divisors (1).

523427 is an equidigital number, since it uses as much as digits as its factorization.

523427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 23.

The square root of 523427 is about 723.4825498932. The cubic root of 523427 is about 80.5907827079.

It can be divided in two parts, 5 and 23427, that added together give a palindrome (23432).

The spelling of 523427 in words is "five hundred twenty-three thousand, four hundred twenty-seven".