255140223 has 16 divisors (see below), whose sum is σ = 367395840. Its totient is φ = 156563424.

The previous prime is 255140213. The next prime is 255140239. The reversal of 255140223 is 322041552.

It is not a de Polignac number, because 255140223 - 2⁵ = 255140191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255140193 and 255140202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255140203) 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 15 ways as a sum of consecutive naturals, for example, 4890 + ... + 23112.

It is an arithmetic number, because the mean of its divisors is an integer number (22962240).

Almost surely, 2^255140223 is an apocalyptic number.

255140223 is a deficient number, since it is larger than the sum of its proper divisors (112255617).

255140223 is a wasteful number, since it uses less digits than its factorization.

255140223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18598.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 255140223 is about 15973.1093716909. The cubic root of 255140223 is about 634.2487844961.

Adding to 255140223 its reverse (322041552), we get a palindrome (577181775).

The spelling of 255140223 in words is "two hundred fifty-five million, one hundred forty thousand, two hundred twenty-three".