11723047723 has 2 divisors, whose sum is σ = 11723047724. Its totient is φ = 11723047722.

The previous prime is 11723047681. The next prime is 11723047729. The reversal of 11723047723 is 32774032711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11723047723 is a prime.

It is not a weakly prime, because it can be changed into another prime (11723047729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5861523861 + 5861523862.

It is an arithmetic number, because the mean of its divisors is an integer number (5861523862).

Almost surely, 2^11723047723 is an apocalyptic number.

11723047723 is a deficient number, since it is larger than the sum of its proper divisors (1).

11723047723 is an equidigital number, since it uses as much as digits as its factorization.

11723047723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 37.

The spelling of 11723047723 in words is "eleven billion, seven hundred twenty-three million, forty-seven thousand, seven hundred twenty-three".