13423504244015 has 16 divisors (see below), whose sum is σ = 17093452723200. Its totient is φ = 10097798913312.

The previous prime is 13423504244009. The next prime is 13423504244023. The reversal of 13423504244015 is 51044240532431.

It is a cyclic number.

It is not a de Polignac number, because 13423504244015 - 2¹⁶ = 13423504178479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13423504244015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 989197655 + ... + 989211224.

It is an arithmetic number, because the mean of its divisors is an integer number (1068340795200).

Almost surely, 2^{13423504244015} is an apocalyptic number.

13423504244015 is a deficient number, since it is larger than the sum of its proper divisors (3669948479185).

13423504244015 is a wasteful number, since it uses less digits than its factorization.

13423504244015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978408966.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 13423504244015 its reverse (51044240532431), we get a palindrome (64467744776446).

The spelling of 13423504244015 in words is "thirteen trillion, four hundred twenty-three billion, five hundred four million, two hundred forty-four thousand, fifteen".