13423340665 has 32 divisors (see below), whose sum is σ = 18758799360. Its totient is φ = 9030528000.

The previous prime is 13423340603. The next prime is 13423340677. The reversal of 13423340665 is 56604332431.

13423340665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13423340665 - 2¹⁵ = 13423307897 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 848296 + ... + 863974.

It is an arithmetic number, because the mean of its divisors is an integer number (586212480).

Almost surely, 2^13423340665 is an apocalyptic number.

It is an amenable number.

13423340665 is a deficient number, since it is larger than the sum of its proper divisors (5335458695).

13423340665 is a wasteful number, since it uses less digits than its factorization.

13423340665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16153.

The product of its (nonzero) digits is 155520, while the sum is 37.

The spelling of 13423340665 in words is "thirteen billion, four hundred twenty-three million, three hundred forty thousand, six hundred sixty-five".