254723 has 4 divisors (see below), whose sum is σ = 291120. Its totient is φ = 218328.

The previous prime is 254713. The next prime is 254729. The reversal of 254723 is 327452.

254723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 254723 - 2⁶ = 254659 is a prime.

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

It is a Duffinian number.

It is a zygodrome in base 2.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 254723.

It is not an unprimeable number, because it can be changed into a prime (254729) 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, 18188 + ... + 18201.

It is an arithmetic number, because the mean of its divisors is an integer number (72780).

2²⁵⁴⁷²³ is an apocalyptic number.

254723 is a deficient number, since it is larger than the sum of its proper divisors (36397).

254723 is an equidigital number, since it uses as much as digits as its factorization.

254723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36396.

The product of its digits is 1680, while the sum is 23.

The square root of 254723 is about 504.7009015249. The cubic root of 254723 is about 63.3902873331.

The spelling of 254723 in words is "two hundred fifty-four thousand, seven hundred twenty-three".