13230645123165 has 32 divisors (see below), whose sum is σ = 21390124087296. Its totient is φ = 6983029616640.

The previous prime is 13230645123161. The next prime is 13230645123187. The reversal of 13230645123165 is 56132154603231.

It is a happy number.

It is not a de Polignac number, because 13230645123165 - 2² = 13230645123161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230645123161) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 11410854 + ... + 12516743.

It is an arithmetic number, because the mean of its divisors is an integer number (668441377728).

Almost surely, 2^{13230645123165} is an apocalyptic number.

13230645123165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13230645123165 is a deficient number, since it is larger than the sum of its proper divisors (8159478964131).

13230645123165 is a wasteful number, since it uses less digits than its factorization.

13230645123165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23927989.

The product of its (nonzero) digits is 388800, while the sum is 42.

Adding to 13230645123165 its reverse (56132154603231), we get a palindrome (69362799726396).

The spelling of 13230645123165 in words is "thirteen trillion, two hundred thirty billion, six hundred forty-five million, one hundred twenty-three thousand, one hundred sixty-five".