13043243400000 has 504 divisors, whose sum is σ = 47413169425440. Its totient is φ = 3161980800000.

The previous prime is 13043243399983. The next prime is 13043243400029. The reversal of 13043243400000 is 434234031.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 72510171 + ... + 72689829.

It is an arithmetic number, because the mean of its divisors is an integer number (94073748860).

Almost surely, 2^{13043243400000} is an apocalyptic number.

13043243400000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13043243400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23706584712720).

13043243400000 is an abundant number, since it is smaller than the sum of its proper divisors (34369926025440).

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

13043243400000 is an equidigital number, since it uses as much as digits as its factorization.

13043243400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179721 (or 179680 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 13043243400000 its reverse (434234031), we get a palindrome (13043677634031).

The spelling of 13043243400000 in words is "thirteen trillion, forty-three billion, two hundred forty-three million, four hundred thousand".