255247723 has 4 divisors (see below), whose sum is σ = 255794760. Its totient is φ = 254700688.

The previous prime is 255247717. The next prime is 255247757. The reversal of 255247723 is 327742552.

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 255247723 - 2¹³ = 255239531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255248723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272818 + ... + 273751.

It is an arithmetic number, because the mean of its divisors is an integer number (63948690).

Almost surely, 2^255247723 is an apocalyptic number.

255247723 is a deficient number, since it is larger than the sum of its proper divisors (547037).

255247723 is an equidigital number, since it uses as much as digits as its factorization.

255247723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547036.

The product of its digits is 117600, while the sum is 37.

The square root of 255247723 is about 15976.4740477992. The cubic root of 255247723 is about 634.3378494685.

It can be divided in two parts, 255247 and 723, that added together give a triangular number (255970 = T₇₁₅).

The spelling of 255247723 in words is "two hundred fifty-five million, two hundred forty-seven thousand, seven hundred twenty-three".