523132421223320 has 16 divisors (see below), whose sum is σ = 1177047947752560. Its totient is φ = 209252968489312.

The previous prime is 523132421223319. The next prime is 523132421223397. The reversal of 523132421223320 is 23322124231325.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 6539155265252 + ... + 6539155265331.

It is an arithmetic number, because the mean of its divisors is an integer number (73565496734535).

Almost surely, 2^{523132421223320} is an apocalyptic number.

It is an amenable number.

523132421223320 is an abundant number, since it is smaller than the sum of its proper divisors (653915526529240).

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

523132421223320 is a wasteful number, since it uses less digits than its factorization.

523132421223320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13078310530594 (or 13078310530590 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 523132421223320 its reverse (23322124231325), we get a palindrome (546454545454645).

The spelling of 523132421223320 in words is "five hundred twenty-three trillion, one hundred thirty-two billion, four hundred twenty-one million, two hundred twenty-three thousand, three hundred twenty".