13123533413320 has 32 divisors (see below), whose sum is σ = 32212309288320. Its totient is φ = 4772193968320.

The previous prime is 13123533413299. The next prime is 13123533413321. The reversal of 13123533413320 is 2331433532131.

It is not an unprimeable number, because it can be changed into a prime (13123533413321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14913105712 + ... + 14913106591.

It is an arithmetic number, because the mean of its divisors is an integer number (1006634665260).

Almost surely, 2^{13123533413320} is an apocalyptic number.

13123533413320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13123533413320 is an abundant number, since it is smaller than the sum of its proper divisors (19088775875000).

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

13123533413320 is a wasteful number, since it uses less digits than its factorization.

13123533413320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29826212325 (or 29826212321 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 34.

Adding to 13123533413320 its reverse (2331433532131), we get a palindrome (15454966945451).

The spelling of 13123533413320 in words is "thirteen trillion, one hundred twenty-three billion, five hundred thirty-three million, four hundred thirteen thousand, three hundred twenty".