523255235131404 has 36 divisors (see below), whose sum is σ = 1400477246970984. Its totient is φ = 164158505139072.

The previous prime is 523255235131367. The next prime is 523255235131423. The reversal of 523255235131404 is 404131532552325.

523255235131404 is a `hidden beast` number, since 5 + 2 + 3 + 2 + 5 + 5 + 235 + 1 + 3 + 1 + 404 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×523255235131404² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 523255235131404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 427496106522 + ... + 427496107745.

It is an arithmetic number, because the mean of its divisors is an integer number (38902145749194).

Almost surely, 2^{523255235131404} is an apocalyptic number.

It is an amenable number.

523255235131404 is an abundant number, since it is smaller than the sum of its proper divisors (877222011839580).

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

523255235131404 is a wasteful number, since it uses less digits than its factorization.

523255235131404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854992214294 (or 854992214289 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 45.

Adding to 523255235131404 its reverse (404131532552325), we get a palindrome (927386767683729).

The spelling of 523255235131404 in words is "five hundred twenty-three trillion, two hundred fifty-five billion, two hundred thirty-five million, one hundred thirty-one thousand, four hundred four".