538723 has 2 divisors, whose sum is σ = 538724. Its totient is φ = 538722.

The previous prime is 538721. The next prime is 538739. The reversal of 538723 is 327835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538723 - 2¹ = 538721 is a prime.

Together with 538721, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 538691 and 538700.

It is not a weakly prime, because it can be changed into another prime (538721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269361 + 269362.

It is an arithmetic number, because the mean of its divisors is an integer number (269362).

2⁵³⁸⁷²³ is an apocalyptic number.

538723 is a deficient number, since it is larger than the sum of its proper divisors (1).

538723 is an equidigital number, since it uses as much as digits as its factorization.

538723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 538723 is about 733.9775200917. The cubic root of 538723 is about 81.3682868814.

The spelling of 538723 in words is "five hundred thirty-eight thousand, seven hundred twenty-three".