43413143121 has 12 divisors (see below), whose sum is σ = 62712843648. Its totient is φ = 28939801464.

The previous prime is 43413143119. The next prime is 43413143167. The reversal of 43413143121 is 12134131434.

43413143121 is a `hidden beast` number, since 4 + 34 + 1 + 314 + 312 + 1 = 666.

It is not a de Polignac number, because 43413143121 - 2¹ = 43413143119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43413143021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67065 + ... + 302198.

It is an arithmetic number, because the mean of its divisors is an integer number (5226070304).

Almost surely, 2^43413143121 is an apocalyptic number.

It is an amenable number.

43413143121 is a deficient number, since it is larger than the sum of its proper divisors (19299700527).

43413143121 is a wasteful number, since it uses less digits than its factorization.

43413143121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382332 (or 382329 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 43413143121 its reverse (12134131434), we get a palindrome (55547274555).

The spelling of 43413143121 in words is "forty-three billion, four hundred thirteen million, one hundred forty-three thousand, one hundred twenty-one".