8081730123 has 16 divisors (see below), whose sum is σ = 11363788800. Its totient is φ = 5094796320.

The previous prime is 8081730103. The next prime is 8081730131. The reversal of 8081730123 is 3210371808.

It is not a de Polignac number, because 8081730123 - 2⁹ = 8081729611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8081730103) 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, 100203 + ... + 161876.

It is an arithmetic number, because the mean of its divisors is an integer number (710236800).

Almost surely, 2^8081730123 is an apocalyptic number.

8081730123 is a deficient number, since it is larger than the sum of its proper divisors (3282058677).

8081730123 is a wasteful number, since it uses less digits than its factorization.

8081730123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262642.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 8081730123 is about 89898.4433847439. The cubic root of 8081730123 is about 2006.7877805393.

The spelling of 8081730123 in words is "eight billion, eighty-one million, seven hundred thirty thousand, one hundred twenty-three".