13240140320423 has 8 divisors (see below), whose sum is σ = 13834802462208. Its totient is φ = 12647061834264.

The previous prime is 13240140320419. The next prime is 13240140320453. The reversal of 13240140320423 is 32402304104231.

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 13240140320423 - 2² = 13240140320419 is a prime.

It is a super-3 number, since 3×13240140320423³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13240140320453) 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 in 7 ways as a sum of consecutive naturals, for example, 395896811 + ... + 395930252.

It is an arithmetic number, because the mean of its divisors is an integer number (1729350307776).

Almost surely, 2^{13240140320423} is an apocalyptic number.

13240140320423 is a deficient number, since it is larger than the sum of its proper divisors (594662141785).

13240140320423 is an equidigital number, since it uses as much as digits as its factorization.

13240140320423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791827813.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 13240140320423 its reverse (32402304104231), we get a palindrome (45642444424654).

The spelling of 13240140320423 in words is "thirteen trillion, two hundred forty billion, one hundred forty million, three hundred twenty thousand, four hundred twenty-three".