12723135319 has 8 divisors (see below), whose sum is σ = 13581406080. Its totient is φ = 11883727800.

The previous prime is 12723135301. The next prime is 12723135343. The reversal of 12723135319 is 91353132721.

It is a happy number.

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 12723135319 - 2¹¹ = 12723133271 is a prime.

It is a super-2 number, since 2×12723135319² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12723135419) 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, 4714417 + ... + 4717114.

It is an arithmetic number, because the mean of its divisors is an integer number (1697675760).

Almost surely, 2^12723135319 is an apocalyptic number.

12723135319 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12723135319 is a deficient number, since it is larger than the sum of its proper divisors (858270761).

12723135319 is an equidigital number, since it uses as much as digits as its factorization.

12723135319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9431621.

The product of its digits is 34020, while the sum is 37.

The spelling of 12723135319 in words is "twelve billion, seven hundred twenty-three million, one hundred thirty-five thousand, three hundred nineteen".