255123110213 has 2 divisors, whose sum is σ = 255123110214. Its totient is φ = 255123110212.

The previous prime is 255123110189. The next prime is 255123110251. The reversal of 255123110213 is 312011321552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194263207009 + 60859903204 = 440753^2 + 246698^2 .

It is a cyclic number.

It is not a de Polignac number, because 255123110213 - 2²⁴ = 255106332997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255123110713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127561555106 + 127561555107.

It is an arithmetic number, because the mean of its divisors is an integer number (127561555107).

Almost surely, 2^255123110213 is an apocalyptic number.

It is an amenable number.

255123110213 is a deficient number, since it is larger than the sum of its proper divisors (1).

255123110213 is an equidigital number, since it uses as much as digits as its factorization.

255123110213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 255123110213 its reverse (312011321552), we get a palindrome (567134431765).

The spelling of 255123110213 in words is "two hundred fifty-five billion, one hundred twenty-three million, one hundred ten thousand, two hundred thirteen".