259923 has 8 divisors (see below), whose sum is σ = 361728. Its totient is φ = 165704.

The previous prime is 259907. The next prime is 259933. The reversal of 259923 is 329952.

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

It is a cyclic number.

It is not a de Polignac number, because 259923 - 2⁴ = 259907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (259933) 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 in 7 ways as a sum of consecutive naturals, for example, 1815 + ... + 1952.

It is an arithmetic number, because the mean of its divisors is an integer number (45216).

2²⁵⁹⁹²³ is an apocalyptic number.

259923 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

259923 is a deficient number, since it is larger than the sum of its proper divisors (101805).

259923 is a wasteful number, since it uses less digits than its factorization.

259923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793.

The product of its digits is 4860, while the sum is 30.

The square root of 259923 is about 509.8264410562. The cubic root of 259923 is about 63.8187416892.

The spelling of 259923 in words is "two hundred fifty-nine thousand, nine hundred twenty-three".