123711447073 has 2 divisors, whose sum is σ = 123711447074. Its totient is φ = 123711447072.

The previous prime is 123711447023. The next prime is 123711447077. The reversal of 123711447073 is 370744117321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110707921984 + 13003525089 = 332728^2 + 114033^2 .

It is a cyclic number.

It is not a de Polignac number, because 123711447073 - 2³³ = 115121512481 is a prime.

It is not a weakly prime, because it can be changed into another prime (123711447077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61855723536 + 61855723537.

It is an arithmetic number, because the mean of its divisors is an integer number (61855723537).

Almost surely, 2^123711447073 is an apocalyptic number.

It is an amenable number.

123711447073 is a deficient number, since it is larger than the sum of its proper divisors (1).

123711447073 is an equidigital number, since it uses as much as digits as its factorization.

123711447073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 123711447073 in words is "one hundred twenty-three billion, seven hundred eleven million, four hundred forty-seven thousand, seventy-three".