43161233441 has 8 divisors (see below), whose sum is σ = 45049963200. Its totient is φ = 41273516592.

The previous prime is 43161233419. The next prime is 43161233449. The reversal of 43161233441 is 14433216134.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43161233441 is a prime.

It is a super-4 number, since 4×43161233441⁴ (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43161233398 and 43161233407.

It is not an unprimeable number, because it can be changed into a prime (43161233449) 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, 165491 + ... + 337208.

It is an arithmetic number, because the mean of its divisors is an integer number (5631245400).

Almost surely, 2^43161233441 is an apocalyptic number.

It is an amenable number.

43161233441 is a deficient number, since it is larger than the sum of its proper divisors (1888729759).

43161233441 is a wasteful number, since it uses less digits than its factorization.

43161233441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506455.

The product of its digits is 20736, while the sum is 32.

Adding to 43161233441 its reverse (14433216134), we get a palindrome (57594449575).

The spelling of 43161233441 in words is "forty-three billion, one hundred sixty-one million, two hundred thirty-three thousand, four hundred forty-one".