34720123793 has 2 divisors, whose sum is σ = 34720123794. Its totient is φ = 34720123792.

The previous prime is 34720123747. The next prime is 34720123807. The reversal of 34720123793 is 39732102743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28842908224 + 5877215569 = 169832^2 + 76663^2 .

It is an emirp because it is prime and its reverse (39732102743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34720123793 - 2⁶ = 34720123729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34720123793.

It is not a weakly prime, because it can be changed into another prime (34720123733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17360061896 + 17360061897.

It is an arithmetic number, because the mean of its divisors is an integer number (17360061897).

Almost surely, 2^34720123793 is an apocalyptic number.

It is an amenable number.

34720123793 is a deficient number, since it is larger than the sum of its proper divisors (1).

34720123793 is an equidigital number, since it uses as much as digits as its factorization.

34720123793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 41.

The spelling of 34720123793 in words is "thirty-four billion, seven hundred twenty million, one hundred twenty-three thousand, seven hundred ninety-three".