13501879187723 has 2 divisors, whose sum is σ = 13501879187724. Its totient is φ = 13501879187722.

The previous prime is 13501879187683. The next prime is 13501879187743. The reversal of 13501879187723 is 32778197810531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13501879187723 - 2¹² = 13501879183627 is a prime.

It is a super-5 number, since 5×13501879187723⁵ (a number of 67 digits) contains 55555 as substring.

It is not a weakly prime, because it can be changed into another prime (13501879187743) 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 as a sum of consecutive naturals, namely, 6750939593861 + 6750939593862.

It is an arithmetic number, because the mean of its divisors is an integer number (6750939593862).

Almost surely, 2^{13501879187723} is an apocalyptic number.

13501879187723 is a deficient number, since it is larger than the sum of its proper divisors (1).

13501879187723 is an equidigital number, since it uses as much as digits as its factorization.

13501879187723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17781120, while the sum is 62.

The spelling of 13501879187723 in words is "thirteen trillion, five hundred one billion, eight hundred seventy-nine million, one hundred eighty-seven thousand, seven hundred twenty-three".