11723009036539 has 2 divisors, whose sum is σ = 11723009036540. Its totient is φ = 11723009036538.

The previous prime is 11723009036489. The next prime is 11723009036551. The reversal of 11723009036539 is 93563090032711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11723009036539 - 2²³ = 11723000647931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11723009036492 and 11723009036501.

It is not a weakly prime, because it can be changed into another prime (11723009136539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5861504518269 + 5861504518270.

It is an arithmetic number, because the mean of its divisors is an integer number (5861504518270).

Almost surely, 2^{11723009036539} is an apocalyptic number.

11723009036539 is a deficient number, since it is larger than the sum of its proper divisors (1).

11723009036539 is an equidigital number, since it uses as much as digits as its factorization.

11723009036539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 918540, while the sum is 49.

The spelling of 11723009036539 in words is "eleven trillion, seven hundred twenty-three billion, nine million, thirty-six thousand, five hundred thirty-nine".