13959566243923 has 8 divisors (see below), whose sum is σ = 14037875953920. Its totient is φ = 13881470788680.

The previous prime is 13959566243893. The next prime is 13959566243927. The reversal of 13959566243923 is 32934266595931.

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 13959566243923 - 2²⁵ = 13959532689491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13959566243927) 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, 53433015 + ... + 53693632.

It is an arithmetic number, because the mean of its divisors is an integer number (1754734494240).

Almost surely, 2^{13959566243923} is an apocalyptic number.

13959566243923 is a deficient number, since it is larger than the sum of its proper divisors (78309709997).

13959566243923 is a wasteful number, since it uses less digits than its factorization.

13959566243923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107127377.

The product of its digits is 283435200, while the sum is 67.

The spelling of 13959566243923 in words is "thirteen trillion, nine hundred fifty-nine billion, five hundred sixty-six million, two hundred forty-three thousand, nine hundred twenty-three".