34123313173 has 2 divisors, whose sum is σ = 34123313174. Its totient is φ = 34123313172.

The previous prime is 34123313143. The next prime is 34123313177. The reversal of 34123313173 is 37131332143.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27643385169 + 6479928004 = 166263^2 + 80498^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34123313173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34123313177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17061656586 + 17061656587.

It is an arithmetic number, because the mean of its divisors is an integer number (17061656587).

Almost surely, 2^34123313173 is an apocalyptic number.

It is an amenable number.

34123313173 is a deficient number, since it is larger than the sum of its proper divisors (1).

34123313173 is an equidigital number, since it uses as much as digits as its factorization.

34123313173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 31.

The spelling of 34123313173 in words is "thirty-four billion, one hundred twenty-three million, three hundred thirteen thousand, one hundred seventy-three".