12395489123 has 8 divisors (see below), whose sum is σ = 13444749360. Its totient is φ = 11381797120.

The previous prime is 12395489087. The next prime is 12395489129. The reversal of 12395489123 is 32198459321.

12395489123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12395489123 - 2⁸ = 12395488867 is a prime.

It is a super-2 number, since 2×12395489123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12395489129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8891333 + ... + 8892726.

It is an arithmetic number, because the mean of its divisors is an integer number (1680593670).

Almost surely, 2^12395489123 is an apocalyptic number.

12395489123 is a deficient number, since it is larger than the sum of its proper divisors (1049260237).

12395489123 is a wasteful number, since it uses less digits than its factorization.

12395489123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17784117.

The product of its digits is 466560, while the sum is 47.

The spelling of 12395489123 in words is "twelve billion, three hundred ninety-five million, four hundred eighty-nine thousand, one hundred twenty-three".