12177760723 has 2 divisors, whose sum is σ = 12177760724. Its totient is φ = 12177760722.

The previous prime is 12177760709. The next prime is 12177760769. The reversal of 12177760723 is 32706777121.

It is a weak prime.

It is an emirp because it is prime and its reverse (32706777121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12177760723 - 2²⁹ = 11640889811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12177760723.

It is not a weakly prime, because it can be changed into another prime (12177760423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6088880361 + 6088880362.

It is an arithmetic number, because the mean of its divisors is an integer number (6088880362).

Almost surely, 2^12177760723 is an apocalyptic number.

12177760723 is a deficient number, since it is larger than the sum of its proper divisors (1).

12177760723 is an equidigital number, since it uses as much as digits as its factorization.

12177760723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172872, while the sum is 43.

The spelling of 12177760723 in words is "twelve billion, one hundred seventy-seven million, seven hundred sixty thousand, seven hundred twenty-three".