12344543000 has 32 divisors (see below), whose sum is σ = 28886232960. Its totient is φ = 4937816800.

The previous prime is 12344542993. The next prime is 12344543021. The reversal of 12344543000 is 34544321.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6171272 + ... + 6173271.

It is an arithmetic number, because the mean of its divisors is an integer number (902694780).

Almost surely, 2^12344543000 is an apocalyptic number.

12344543000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12344543000 is an abundant number, since it is smaller than the sum of its proper divisors (16541689960).

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

12344543000 is a wasteful number, since it uses less digits than its factorization.

12344543000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12344564 (or 12344550 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The spelling of 12344543000 in words is "twelve billion, three hundred forty-four million, five hundred forty-three thousand".