255277823 has 2 divisors, whose sum is σ = 255277824. Its totient is φ = 255277822.

The previous prime is 255277783. The next prime is 255277859. The reversal of 255277823 is 328772552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255277823 - 2²⁰ = 254229247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255277223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127638911 + 127638912.

It is an arithmetic number, because the mean of its divisors is an integer number (127638912).

Almost surely, 2^255277823 is an apocalyptic number.

255277823 is a deficient number, since it is larger than the sum of its proper divisors (1).

255277823 is an equidigital number, since it uses as much as digits as its factorization.

255277823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235200, while the sum is 41.

The square root of 255277823 is about 15977.4160301345. The cubic root of 255277823 is about 634.3627831794.

The spelling of 255277823 in words is "two hundred fifty-five million, two hundred seventy-seven thousand, eight hundred twenty-three".