254423 has 4 divisors (see below), whose sum is σ = 274008. Its totient is φ = 234840.

The previous prime is 254413. The next prime is 254437. The reversal of 254423 is 324452.

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

It is a cyclic number.

It is not a de Polignac number, because 254423 - 2⁴ = 254407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254395 and 254404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254413) 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, 9773 + ... + 9798.

It is an arithmetic number, because the mean of its divisors is an integer number (68502).

2²⁵⁴⁴²³ is an apocalyptic number.

254423 is a deficient number, since it is larger than the sum of its proper divisors (19585).

254423 is a wasteful number, since it uses less digits than its factorization.

254423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19584.

The product of its digits is 960, while the sum is 20.

The square root of 254423 is about 504.4036082345. The cubic root of 254423 is about 63.3653915877.

Adding to 254423 its reverse (324452), we get a palindrome (578875).

The spelling of 254423 in words is "two hundred fifty-four thousand, four hundred twenty-three".