12343000004550 has 72 divisors (see below), whose sum is σ = 33191592861024. Its totient is φ = 3288482431680.

The previous prime is 12343000004527. The next prime is 12343000004551. The reversal of 12343000004550 is 5540000034321.

It is a super-2 number, since 2×12343000004550² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12343000004551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11937417 + ... + 12930116.

It is an arithmetic number, because the mean of its divisors is an integer number (460994345292).

Almost surely, 2^{12343000004550} is an apocalyptic number.

12343000004550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12343000004550 is an abundant number, since it is smaller than the sum of its proper divisors (20848592856474).

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

12343000004550 is a wasteful number, since it uses less digits than its factorization.

12343000004550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24868654 (or 24868646 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 12343000004550 its reverse (5540000034321), we get a palindrome (17883000038871).

The spelling of 12343000004550 in words is "twelve trillion, three hundred forty-three billion, four thousand, five hundred fifty".