43043231401121 has 16 divisors (see below), whose sum is σ = 51337576652544. Its totient is φ = 35285621578944.

The previous prime is 43043231401109. The next prime is 43043231401129. The reversal of 43043231401121 is 12110413234034.

It is a cyclic number.

It is not a de Polignac number, because 43043231401121 - 2²² = 43043227206817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43043231401129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15702050 + ... + 18238443.

It is an arithmetic number, because the mean of its divisors is an integer number (3208598540784).

Almost surely, 2^{43043231401121} is an apocalyptic number.

It is an amenable number.

43043231401121 is a deficient number, since it is larger than the sum of its proper divisors (8294345251423).

43043231401121 is a wasteful number, since it uses less digits than its factorization.

43043231401121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33948400.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 43043231401121 its reverse (12110413234034), we get a palindrome (55153644635155).

The spelling of 43043231401121 in words is "forty-three trillion, forty-three billion, two hundred thirty-one million, four hundred one thousand, one hundred twenty-one".