264423 has 8 divisors (see below), whose sum is σ = 371200. Its totient is φ = 166968.

The previous prime is 264403. The next prime is 264437. The reversal of 264423 is 324462.

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

It is not a de Polignac number, because 264423 - 2⁵ = 264391 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁷ + 6 + 4² + 4⁹ + 2¹¹ + 3⁴ .

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 264423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2263 + ... + 2376.

It is an arithmetic number, because the mean of its divisors is an integer number (46400).

2²⁶⁴⁴²³ is an apocalyptic number.

264423 is a deficient number, since it is larger than the sum of its proper divisors (106777).

264423 is a wasteful number, since it uses less digits than its factorization.

264423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4661.

The product of its digits is 1152, while the sum is 21.

The square root of 264423 is about 514.2207697089. The cubic root of 264423 is about 64.1849306155.

Adding to 264423 its reverse (324462), we get a palindrome (588885).

The spelling of 264423 in words is "two hundred sixty-four thousand, four hundred twenty-three".