523155235004 has 24 divisors (see below), whose sum is σ = 920505363456. Its totient is φ = 260154270000.

The previous prime is 523155234983. The next prime is 523155235061. The reversal of 523155235004 is 400532551325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3760079 + ... + 3896729.

It is an arithmetic number, because the mean of its divisors is an integer number (38354390144).

Almost surely, 2^523155235004 is an apocalyptic number.

It is an amenable number.

523155235004 is a deficient number, since it is larger than the sum of its proper divisors (397350128452).

523155235004 is a wasteful number, since it uses less digits than its factorization.

523155235004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141857 (or 141855 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

Adding to 523155235004 its reverse (400532551325), we get a palindrome (923687786329).

The spelling of 523155235004 in words is "five hundred twenty-three billion, one hundred fifty-five million, two hundred thirty-five thousand, four".