250923 has 4 divisors (see below), whose sum is σ = 334568. Its totient is φ = 167280.

The previous prime is 250919. The next prime is 250949. The reversal of 250923 is 329052.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 250923 - 2² = 250919 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 250923.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 250923.

It is not an unprimeable number, because it can be changed into a prime (250963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41818 + ... + 41823.

It is an arithmetic number, because the mean of its divisors is an integer number (83642).

2²⁵⁰⁹²³ is an apocalyptic number.

250923 is a deficient number, since it is larger than the sum of its proper divisors (83645).

250923 is an equidigital number, since it uses as much as digits as its factorization.

250923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83644.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 250923 is about 500.9221496400. The cubic root of 250923 is about 63.0734844218.

Adding to 250923 its reverse (329052), we get a palindrome (579975).

The spelling of 250923 in words is "two hundred fifty thousand, nine hundred twenty-three".