13121314133423 has 8 divisors (see below), whose sum is σ = 13245098499600. Its totient is φ = 12997591682688.

The previous prime is 13121314133419. The next prime is 13121314133461. The reversal of 13121314133423 is 32433141312131.

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 13121314133423 - 2² = 13121314133419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13121314133423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121314193423) 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, 15052961 + ... + 15900762.

It is an arithmetic number, because the mean of its divisors is an integer number (1655637312450).

Almost surely, 2^{13121314133423} is an apocalyptic number.

13121314133423 is a deficient number, since it is larger than the sum of its proper divisors (123784366177).

13121314133423 is a wasteful number, since it uses less digits than its factorization.

13121314133423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30957721.

The product of its digits is 15552, while the sum is 32.

Adding to 13121314133423 its reverse (32433141312131), we get a palindrome (45554455445554).

The spelling of 13121314133423 in words is "thirteen trillion, one hundred twenty-one billion, three hundred fourteen million, one hundred thirty-three thousand, four hundred twenty-three".