255023 has 2 divisors, whose sum is σ = 255024. Its totient is φ = 255022.

The previous prime is 255019. The next prime is 255043. The reversal of 255023 is 320552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255023 - 2² = 255019 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 254992 and 255010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127511 + 127512.

It is an arithmetic number, because the mean of its divisors is an integer number (127512).

2²⁵⁵⁰²³ is an apocalyptic number.

255023 is a deficient number, since it is larger than the sum of its proper divisors (1).

255023 is an equidigital number, since it uses as much as digits as its factorization.

255023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 255023 is about 504.9980197981. The cubic root of 255023 is about 63.4151635389.

Adding to 255023 its reverse (320552), we get a palindrome (575575).

The spelling of 255023 in words is "two hundred fifty-five thousand, twenty-three".