264723 has 4 divisors (see below), whose sum is σ = 352968. Its totient is φ = 176480.

The previous prime is 264697. The next prime is 264731. The reversal of 264723 is 327462.

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 264723 - 2⁶ = 264659 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 264693 and 264702.

It is not an unprimeable number, because it can be changed into a prime (264743) 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, 44118 + ... + 44123.

It is an arithmetic number, because the mean of its divisors is an integer number (88242).

2²⁶⁴⁷²³ is an apocalyptic number.

264723 is a deficient number, since it is larger than the sum of its proper divisors (88245).

264723 is an equidigital number, since it uses as much as digits as its factorization.

264723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88244.

The product of its digits is 2016, while the sum is 24.

The square root of 264723 is about 514.5123905214. The cubic root of 264723 is about 64.2091950223.

The spelling of 264723 in words is "two hundred sixty-four thousand, seven hundred twenty-three".