523402118553285 has 48 divisors (see below), whose sum is σ = 907671498590064. Its totient is φ = 279012072600576.

The previous prime is 523402118553269. The next prime is 523402118553401. The reversal of 523402118553285 is 582355811204325.

523402118553285 is a `hidden beast` number, since 5 + 2 + 3 + 4 + 0 + 2 + 1 + 1 + 8 + 553 + 2 + 85 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 310057476185601 + 213344642367684 = 17608449^2 + 14606322^2 .

It is not a de Polignac number, because 523402118553285 - 2⁴ = 523402118553269 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1501468569 + ... + 1501817121.

It is an arithmetic number, because the mean of its divisors is an integer number (18909822887293).

Almost surely, 2^{523402118553285} is an apocalyptic number.

It is an amenable number.

523402118553285 is a deficient number, since it is larger than the sum of its proper divisors (384269380036779).

523402118553285 is a wasteful number, since it uses less digits than its factorization.

523402118553285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364694 (or 364691 counting only the distinct ones).

The product of its (nonzero) digits is 11520000, while the sum is 54.

The spelling of 523402118553285 in words is "five hundred twenty-three trillion, four hundred two billion, one hundred eighteen million, five hundred fifty-three thousand, two hundred eighty-five".