255140923 has 2 divisors, whose sum is σ = 255140924. Its totient is φ = 255140922.

The previous prime is 255140861. The next prime is 255140933. The reversal of 255140923 is 329041552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255140923 - 2¹⁷ = 255009851 is a prime.

It is not a weakly prime, because it can be changed into another prime (255140933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127570461 + 127570462.

It is an arithmetic number, because the mean of its divisors is an integer number (127570462).

Almost surely, 2^255140923 is an apocalyptic number.

255140923 is a deficient number, since it is larger than the sum of its proper divisors (1).

255140923 is an equidigital number, since it uses as much as digits as its factorization.

255140923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 255140923 is about 15973.1312835023. The cubic root of 255140923 is about 634.2493645350.

The spelling of 255140923 in words is "two hundred fifty-five million, one hundred forty thousand, nine hundred twenty-three".