255433442523 has 96 divisors (see below), whose sum is σ = 421403738112. Its totient is φ = 134329466880.

The previous prime is 255433442521. The next prime is 255433442549. The reversal of 255433442523 is 325244334552.

255433442523 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 255433442523 - 2¹ = 255433442521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255433442521) 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 in 95 ways as a sum of consecutive naturals, for example, 1059889683 + ... + 1059889923.

It is an arithmetic number, because the mean of its divisors is an integer number (4389622272).

Almost surely, 2^255433442523 is an apocalyptic number.

255433442523 is a deficient number, since it is larger than the sum of its proper divisors (165970295589).

255433442523 is a wasteful number, since it uses less digits than its factorization.

255433442523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733 (or 492 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 42.

The spelling of 255433442523 in words is "two hundred fifty-five billion, four hundred thirty-three million, four hundred forty-two thousand, five hundred twenty-three".