259123 has 2 divisors, whose sum is σ = 259124. Its totient is φ = 259122.

The previous prime is 259121. The next prime is 259151. The reversal of 259123 is 321952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 259123 - 2¹ = 259121 is a prime.

Together with 259121, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 259094 and 259103.

It is not a weakly prime, because it can be changed into another prime (259121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129561 + 129562.

It is an arithmetic number, because the mean of its divisors is an integer number (129562).

2²⁵⁹¹²³ is an apocalyptic number.

259123 is a deficient number, since it is larger than the sum of its proper divisors (1).

259123 is an equidigital number, since it uses as much as digits as its factorization.

259123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 22.

The square root of 259123 is about 509.0412556954. The cubic root of 259123 is about 63.7531998906.

The spelling of 259123 in words is "two hundred fifty-nine thousand, one hundred twenty-three".