13423354141523 has 4 divisors (see below), whose sum is σ = 13423516426320. Its totient is φ = 13423191856728.

The previous prime is 13423354141517. The next prime is 13423354141543. The reversal of 13423354141523 is 32514145332431.

13423354141523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13423354141523 - 2⁴² = 9025307630419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13423354141513) 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, 81018263 + ... + 81183776.

It is an arithmetic number, because the mean of its divisors is an integer number (3355879106580).

Almost surely, 2^{13423354141523} is an apocalyptic number.

13423354141523 is a deficient number, since it is larger than the sum of its proper divisors (162284797).

13423354141523 is an equidigital number, since it uses as much as digits as its factorization.

13423354141523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162284796.

The product of its digits is 518400, while the sum is 41.

Adding to 13423354141523 its reverse (32514145332431), we get a palindrome (45937499473954).

The spelling of 13423354141523 in words is "thirteen trillion, four hundred twenty-three billion, three hundred fifty-four million, one hundred forty-one thousand, five hundred twenty-three".