43143043412 has 24 divisors (see below), whose sum is σ = 86377255104. Its totient is φ = 18470339712.

The previous prime is 43143043403. The next prime is 43143043417. The reversal of 43143043412 is 21434034134.

It is a happy number.

It is a super-2 number, since 2×43143043412² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43143043417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787013 + ... + 840044.

It is an arithmetic number, because the mean of its divisors is an integer number (3599052296).

Almost surely, 2^43143043412 is an apocalyptic number.

It is an amenable number.

43143043412 is an abundant number, since it is smaller than the sum of its proper divisors (43234211692).

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

43143043412 is a wasteful number, since it uses less digits than its factorization.

43143043412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628015 (or 1628013 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 43143043412 its reverse (21434034134), we get a palindrome (64577077546).

The spelling of 43143043412 in words is "forty-three billion, one hundred forty-three million, forty-three thousand, four hundred twelve".