255587923 has 2 divisors, whose sum is σ = 255587924. Its totient is φ = 255587922.

The previous prime is 255587921. The next prime is 255587957. The reversal of 255587923 is 329785552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255587923 - 2¹ = 255587921 is a prime.

Together with 255587921, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (255587921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127793961 + 127793962.

It is an arithmetic number, because the mean of its divisors is an integer number (127793962).

Almost surely, 2^255587923 is an apocalyptic number.

255587923 is a deficient number, since it is larger than the sum of its proper divisors (1).

255587923 is an equidigital number, since it uses as much as digits as its factorization.

255587923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756000, while the sum is 46.

The square root of 255587923 is about 15987.1174074628. The cubic root of 255587923 is about 634.6195443512.

The spelling of 255587923 in words is "two hundred fifty-five million, five hundred eighty-seven thousand, nine hundred twenty-three".