255423105 has 64 divisors (see below), whose sum is σ = 535756800. Its totient is φ = 112985280.

The previous prime is 255423029. The next prime is 255423151. The reversal of 255423105 is 501324552.

It is a happy number.

255423105 is a `hidden beast` number, since 2 + 554 + 2 + 3 + 105 = 666.

255423105 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 255423105 - 2¹¹ = 255421057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24936 + ... + 33654.

It is an arithmetic number, because the mean of its divisors is an integer number (8371200).

Almost surely, 2^255423105 is an apocalyptic number.

It is an amenable number.

255423105 is an abundant number, since it is smaller than the sum of its proper divisors (280333695).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255423105 is a wasteful number, since it uses less digits than its factorization.

255423105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8771 (or 8765 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 255423105 is about 15981.9618633008. The cubic root of 255423105 is about 634.4831017860.

Adding to 255423105 its reverse (501324552), we get a palindrome (756747657).

The spelling of 255423105 in words is "two hundred fifty-five million, four hundred twenty-three thousand, one hundred five".