264023 has 4 divisors (see below), whose sum is σ = 267288. Its totient is φ = 260760.

The previous prime is 264013. The next prime is 264029. The reversal of 264023 is 320462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320462 = 2 ⋅160231.

It is a cyclic number.

It is not a de Polignac number, because 264023 - 2⁴ = 264007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 263992 and 264010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264029) 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, 1508 + ... + 1673.

It is an arithmetic number, because the mean of its divisors is an integer number (66822).

2²⁶⁴⁰²³ is an apocalyptic number.

264023 is a deficient number, since it is larger than the sum of its proper divisors (3265).

264023 is an equidigital number, since it uses as much as digits as its factorization.

264023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3264.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 264023 is about 513.8316845038. The cubic root of 264023 is about 64.1525495077.

Adding to 264023 its reverse (320462), we get a palindrome (584485).

The spelling of 264023 in words is "two hundred sixty-four thousand, twenty-three".