255105123 has 24 divisors (see below), whose sum is σ = 426112848. Its totient is φ = 134559936.

The previous prime is 255105101. The next prime is 255105131. The reversal of 255105123 is 321501552.

It is a happy number.

255105123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 255105123 - 2¹⁰ = 255104099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255105093 and 255105102.

It is not an unprimeable number, because it can be changed into a prime (255105133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64836 + ... + 68657.

It is an arithmetic number, because the mean of its divisors is an integer number (17754702).

Almost surely, 2^255105123 is an apocalyptic number.

255105123 is a deficient number, since it is larger than the sum of its proper divisors (171007725).

255105123 is a wasteful number, since it uses less digits than its factorization.

255105123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133523 (or 133516 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 255105123 is about 15972.0106123180. The cubic root of 255105123 is about 634.2196983292.

Adding to 255105123 its reverse (321501552), we get a palindrome (576606675).

The spelling of 255105123 in words is "two hundred fifty-five million, one hundred five thousand, one hundred twenty-three".