13440131723 has 8 divisors (see below), whose sum is σ = 13834896768. Its totient is φ = 13050595584.

The previous prime is 13440131713. The next prime is 13440131741. The reversal of 13440131723 is 32713104431.

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 13440131723 - 2¹⁰ = 13440130699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13440131713) 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, 1302011 + ... + 1312292.

It is an arithmetic number, because the mean of its divisors is an integer number (1729362096).

Almost surely, 2^13440131723 is an apocalyptic number.

13440131723 is a deficient number, since it is larger than the sum of its proper divisors (394765045).

13440131723 is an equidigital number, since it uses as much as digits as its factorization.

13440131723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614453.

The product of its (nonzero) digits is 6048, while the sum is 29.

The spelling of 13440131723 in words is "thirteen billion, four hundred forty million, one hundred thirty-one thousand, seven hundred twenty-three".