43113240421 has 8 divisors (see below), whose sum is σ = 44644391424. Its totient is φ = 41590864560.

The previous prime is 43113240403. The next prime is 43113240431. The reversal of 43113240421 is 12404231134.

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 43113240421 - 2²⁵ = 43079685989 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 (43113240431) 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, 2183785 + ... + 2203438.

It is an arithmetic number, because the mean of its divisors is an integer number (5580548928).

Almost surely, 2^43113240421 is an apocalyptic number.

It is an amenable number.

43113240421 is a deficient number, since it is larger than the sum of its proper divisors (1531151003).

43113240421 is a wasteful number, since it uses less digits than its factorization.

43113240421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4387571.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 43113240421 its reverse (12404231134), we get a palindrome (55517471555).

The spelling of 43113240421 in words is "forty-three billion, one hundred thirteen million, two hundred forty thousand, four hundred twenty-one".