12340723186 has 32 divisors (see below), whose sum is σ = 21105847296. Its totient is φ = 5356890000.

The previous prime is 12340723177. The next prime is 12340723189. The reversal of 12340723186 is 68132704321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12340723189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299961 + ... + 338611.

It is an arithmetic number, because the mean of its divisors is an integer number (659557728).

Almost surely, 2^12340723186 is an apocalyptic number.

12340723186 is a deficient number, since it is larger than the sum of its proper divisors (8765124110).

12340723186 is a wasteful number, since it uses less digits than its factorization.

12340723186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39318.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 12340723186 in words is "twelve billion, three hundred forty million, seven hundred twenty-three thousand, one hundred eighty-six".