43120043043 has 64 divisors (see below), whose sum is σ = 72355368960. Its totient is φ = 22189737600.

The previous prime is 43120043039. The next prime is 43120043077. The reversal of 43120043043 is 34034002134.

It is not a de Polignac number, because 43120043043 - 2² = 43120043039 is a prime.

It is a super-2 number, since 2×43120043043² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43120043093) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17883508 + ... + 17885918.

It is an arithmetic number, because the mean of its divisors is an integer number (1130552640).

Almost surely, 2^43120043043 is an apocalyptic number.

43120043043 is a deficient number, since it is larger than the sum of its proper divisors (29235325917).

43120043043 is a wasteful number, since it uses less digits than its factorization.

43120043043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128.

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

Adding to 43120043043 its reverse (34034002134), we get a palindrome (77154045177).

The spelling of 43120043043 in words is "forty-three billion, one hundred twenty million, forty-three thousand, forty-three".