13331215115423 has 4 divisors (see below), whose sum is σ = 13335785298360. Its totient is φ = 13326644932488.

The previous prime is 13331215115419. The next prime is 13331215115467. The reversal of 13331215115423 is 32451151213331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13331215115423 - 2² = 13331215115419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331215115623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2285087093 + ... + 2285092926.

It is an arithmetic number, because the mean of its divisors is an integer number (3333946324590).

Almost surely, 2^{13331215115423} is an apocalyptic number.

13331215115423 is a deficient number, since it is larger than the sum of its proper divisors (4570182937).

13331215115423 is an equidigital number, since it uses as much as digits as its factorization.

13331215115423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4570182936.

The product of its digits is 32400, while the sum is 35.

Adding to 13331215115423 its reverse (32451151213331), we get a palindrome (45782366328754).

The spelling of 13331215115423 in words is "thirteen trillion, three hundred thirty-one billion, two hundred fifteen million, one hundred fifteen thousand, four hundred twenty-three".