12300423138 has 48 divisors (see below), whose sum is σ = 28768633920. Its totient is φ = 3786633312.

The previous prime is 12300423137. The next prime is 12300423143. The reversal of 12300423138 is 83132400321.

12300423138 is a `hidden beast` number, since 1 + 2 + 300 + 42 + 313 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (12300423137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 500256 + ... + 524267.

It is an arithmetic number, because the mean of its divisors is an integer number (599346540).

Almost surely, 2^12300423138 is an apocalyptic number.

12300423138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12300423138 is an abundant number, since it is smaller than the sum of its proper divisors (16468210782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12300423138 is a wasteful number, since it uses less digits than its factorization.

12300423138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024583 (or 1024580 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 12300423138 its reverse (83132400321), we get a palindrome (95432823459).

The spelling of 12300423138 in words is "twelve billion, three hundred million, four hundred twenty-three thousand, one hundred thirty-eight".