255793123 has 2 divisors, whose sum is σ = 255793124. Its totient is φ = 255793122.

The previous prime is 255793117. The next prime is 255793133. The reversal of 255793123 is 321397552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255793123 - 2⁵ = 255793091 is a prime.

It is not a weakly prime, because it can be changed into another prime (255793133) 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, 127896561 + 127896562.

It is an arithmetic number, because the mean of its divisors is an integer number (127896562).

Almost surely, 2^255793123 is an apocalyptic number.

255793123 is a deficient number, since it is larger than the sum of its proper divisors (1).

255793123 is an equidigital number, since it uses as much as digits as its factorization.

255793123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56700, while the sum is 37.

The square root of 255793123 is about 15993.5337871278. The cubic root of 255793123 is about 634.7893347103.

The spelling of 255793123 in words is "two hundred fifty-five million, seven hundred ninety-three thousand, one hundred twenty-three".