255755723 has 2 divisors, whose sum is σ = 255755724. Its totient is φ = 255755722.

The previous prime is 255755681. The next prime is 255755741. The reversal of 255755723 is 327557552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255755723 - 2⁶ = 255755659 is a prime.

It is not a weakly prime, because it can be changed into another prime (255655723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127877861 + 127877862.

It is an arithmetic number, because the mean of its divisors is an integer number (127877862).

Almost surely, 2^255755723 is an apocalyptic number.

255755723 is a deficient number, since it is larger than the sum of its proper divisors (1).

255755723 is an equidigital number, since it uses as much as digits as its factorization.

255755723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 367500, while the sum is 41.

The square root of 255755723 is about 15992.3645218585. The cubic root of 255755723 is about 634.7583952829.

The spelling of 255755723 in words is "two hundred fifty-five million, seven hundred fifty-five thousand, seven hundred twenty-three".