255723255 has 48 divisors (see below), whose sum is σ = 455401440. Its totient is φ = 132701184.

The previous prime is 255723233. The next prime is 255723257. The reversal of 255723255 is 552327552.

255723255 is a `hidden beast` number, since 2 + 5 + 572 + 32 + 55 = 666.

It is not a de Polignac number, because 255723255 - 2⁹ = 255722743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255723257) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 267859 + ... + 268811.

It is an arithmetic number, because the mean of its divisors is an integer number (9487530).

Almost surely, 2^255723255 is an apocalyptic number.

255723255 is a deficient number, since it is larger than the sum of its proper divisors (199678185).

255723255 is a wasteful number, since it uses less digits than its factorization.

255723255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120 (or 1117 counting only the distinct ones).

The product of its digits is 105000, while the sum is 36.

The square root of 255723255 is about 15991.3493802118. The cubic root of 255723255 is about 634.7315334431.

The spelling of 255723255 in words is "two hundred fifty-five million, seven hundred twenty-three thousand, two hundred fifty-five".