12343304140 has 48 divisors (see below), whose sum is σ = 26540956512. Its totient is φ = 4820530176.

The previous prime is 12343304123. The next prime is 12343304161. The reversal of 12343304140 is 4140334321.

It is a super-2 number, since 2×12343304140² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110662 + ... + 192178.

It is an arithmetic number, because the mean of its divisors is an integer number (552936594).

Almost surely, 2^12343304140 is an apocalyptic number.

12343304140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12343304140 is an abundant number, since it is smaller than the sum of its proper divisors (14197652372).

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

12343304140 is a wasteful number, since it uses less digits than its factorization.

12343304140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81706 (or 81704 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12343304140 its reverse (4140334321), we get a palindrome (16483638461).

The spelling of 12343304140 in words is "twelve billion, three hundred forty-three million, three hundred four thousand, one hundred forty".