13340423121423 has 8 divisors (see below), whose sum is σ = 17789765011200. Its totient is φ = 8892348322968.

The previous prime is 13340423121391. The next prime is 13340423121449. The reversal of 13340423121423 is 32412132404331.

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

It is not a de Polignac number, because 13340423121423 - 2⁵ = 13340423121391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13340423121463) 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, 316748263 + ... + 316790376.

It is an arithmetic number, because the mean of its divisors is an integer number (2223720626400).

Almost surely, 2^{13340423121423} is an apocalyptic number.

13340423121423 is a deficient number, since it is larger than the sum of its proper divisors (4449341889777).

13340423121423 is an equidigital number, since it uses as much as digits as its factorization.

13340423121423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633545661.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 13340423121423 its reverse (32412132404331), we get a palindrome (45752555525754).

The spelling of 13340423121423 in words is "thirteen trillion, three hundred forty billion, four hundred twenty-three million, one hundred twenty-one thousand, four hundred twenty-three".