8147307123 has 12 divisors (see below), whose sum is σ = 11769115800. Its totient is φ = 5431176576.

The previous prime is 8147307121. The next prime is 8147307139. The reversal of 8147307123 is 3217037418.

It is not a de Polignac number, because 8147307123 - 2¹ = 8147307121 is a prime.

It is a super-2 number, since 2×8147307123² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8147307121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241603 + ... + 273251.

It is an arithmetic number, because the mean of its divisors is an integer number (980759650).

Almost surely, 2^8147307123 is an apocalyptic number.

8147307123 is a deficient number, since it is larger than the sum of its proper divisors (3621808677).

8147307123 is a wasteful number, since it uses less digits than its factorization.

8147307123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60258 (or 60255 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 8147307123 is about 90262.4347278534. The cubic root of 8147307123 is about 2012.2010099037.

The spelling of 8147307123 in words is "eight billion, one hundred forty-seven million, three hundred seven thousand, one hundred twenty-three".