30123064173 has 16 divisors (see below), whose sum is σ = 41082163200. Its totient is φ = 19624327536.

The previous prime is 30123064123. The next prime is 30123064177. The reversal of 30123064173 is 37146032103.

It is not a de Polignac number, because 30123064173 - 2¹⁰ = 30123063149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30123064173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123064177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73873 + ... + 256326.

It is an arithmetic number, because the mean of its divisors is an integer number (2567635200).

Almost surely, 2^30123064173 is an apocalyptic number.

It is an amenable number.

30123064173 is a deficient number, since it is larger than the sum of its proper divisors (10959099027).

30123064173 is a wasteful number, since it uses less digits than its factorization.

30123064173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330896.

The product of its (nonzero) digits is 9072, while the sum is 30.

Adding to 30123064173 its reverse (37146032103), we get a palindrome (67269096276).

The spelling of 30123064173 in words is "thirty billion, one hundred twenty-three million, sixty-four thousand, one hundred seventy-three".