43113340421000 has 32 divisors (see below), whose sum is σ = 100885216587480. Its totient is φ = 17245336168000.

The previous prime is 43113340420999. The next prime is 43113340421023. The reversal of 43113340421000 is 12404331134.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21352365623044 + 21760974797956 = 4620862^2 + 4664866^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21556669211 + ... + 21556671210.

Almost surely, 2^{43113340421000} is an apocalyptic number.

43113340421000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43113340421000 is an abundant number, since it is smaller than the sum of its proper divisors (57771876166480).

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

43113340421000 is a wasteful number, since it uses less digits than its factorization.

43113340421000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43113340442 (or 43113340428 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 43113340421000 its reverse (12404331134), we get a palindrome (43125744752134).

The spelling of 43113340421000 in words is "forty-three trillion, one hundred thirteen billion, three hundred forty million, four hundred twenty-one thousand".