11723004488257 has 2 divisors, whose sum is σ = 11723004488258. Its totient is φ = 11723004488256.

The previous prime is 11723004488249. The next prime is 11723004488297. The reversal of 11723004488257 is 75288440032711.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11662013270961 + 60991217296 = 3414969^2 + 246964^2 .

It is a cyclic number.

It is not a de Polignac number, because 11723004488257 - 2³ = 11723004488249 is a prime.

It is not a weakly prime, because it can be changed into another prime (11723004488227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5861502244128 + 5861502244129.

It is an arithmetic number, because the mean of its divisors is an integer number (5861502244129).

Almost surely, 2^{11723004488257} is an apocalyptic number.

It is an amenable number.

11723004488257 is a deficient number, since it is larger than the sum of its proper divisors (1).

11723004488257 is an equidigital number, since it uses as much as digits as its factorization.

11723004488257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3010560, while the sum is 52.

The spelling of 11723004488257 in words is "eleven trillion, seven hundred twenty-three billion, four million, four hundred eighty-eight thousand, two hundred fifty-seven".