255843535823 has 2 divisors, whose sum is σ = 255843535824. Its totient is φ = 255843535822.

The previous prime is 255843535687. The next prime is 255843535841. The reversal of 255843535823 is 328535348552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255843535823 - 2²⁶ = 255776426959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255843535873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127921767911 + 127921767912.

It is an arithmetic number, because the mean of its divisors is an integer number (127921767912).

Almost surely, 2^255843535823 is an apocalyptic number.

255843535823 is a deficient number, since it is larger than the sum of its proper divisors (1).

255843535823 is an equidigital number, since it uses as much as digits as its factorization.

255843535823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280000, while the sum is 53.

The spelling of 255843535823 in words is "two hundred fifty-five billion, eight hundred forty-three million, five hundred thirty-five thousand, eight hundred twenty-three".