12723153709 has 16 divisors (see below), whose sum is σ = 14636229120. Its totient is φ = 10834069680.

The previous prime is 12723153691. The next prime is 12723153757. The reversal of 12723153709 is 90735132721.

It is not a de Polignac number, because 12723153709 - 2²⁵ = 12689599277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12723154709) 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, 1452874 + ... + 1461604.

It is an arithmetic number, because the mean of its divisors is an integer number (914764320).

Almost surely, 2^12723153709 is an apocalyptic number.

It is an amenable number.

12723153709 is a deficient number, since it is larger than the sum of its proper divisors (1913075411).

12723153709 is a wasteful number, since it uses less digits than its factorization.

12723153709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10080.

The product of its (nonzero) digits is 79380, while the sum is 40.

The spelling of 12723153709 in words is "twelve billion, seven hundred twenty-three million, one hundred fifty-three thousand, seven hundred nine".