13143123203321 has 8 divisors (see below), whose sum is σ = 13916912323104. Its totient is φ = 12369407886400.

The previous prime is 13143123203207. The next prime is 13143123203323. The reversal of 13143123203321 is 12330232134131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13143123203321 - 2³⁸ = 12868245296377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13143123203323) 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, 18083855 + ... + 18796596.

It is an arithmetic number, because the mean of its divisors is an integer number (1739614040388).

Almost surely, 2^{13143123203321} is an apocalyptic number.

It is an amenable number.

13143123203321 is a deficient number, since it is larger than the sum of its proper divisors (773789119783).

13143123203321 is a wasteful number, since it uses less digits than its factorization.

13143123203321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36901431.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 13143123203321 its reverse (12330232134131), we get a palindrome (25473355337452).

The spelling of 13143123203321 in words is "thirteen trillion, one hundred forty-three billion, one hundred twenty-three million, two hundred three thousand, three hundred twenty-one".