43011121343 has 8 divisors (see below), whose sum is σ = 44402470128. Its totient is φ = 41631819264.

The previous prime is 43011121331. The next prime is 43011121357. The reversal of 43011121343 is 34312111034.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43011121343 - 2¹⁴ = 43011104959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43011121843) 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 7 ways as a sum of consecutive naturals, for example, 3004421 + ... + 3018702.

It is an arithmetic number, because the mean of its divisors is an integer number (5550308766).

Almost surely, 2^43011121343 is an apocalyptic number.

43011121343 is a deficient number, since it is larger than the sum of its proper divisors (1391348785).

43011121343 is a wasteful number, since it uses less digits than its factorization.

43011121343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6023353.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 43011121343 its reverse (34312111034), we get a palindrome (77323232377).

The spelling of 43011121343 in words is "forty-three billion, eleven million, one hundred twenty-one thousand, three hundred forty-three".