43040323340341 has 4 divisors (see below), whose sum is σ = 43040607438400. Its totient is φ = 43040039242284.

The previous prime is 43040323340309. The next prime is 43040323340353. The reversal of 43040323340341 is 14304332304034.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43040323340341 - 2⁵ = 43040323340309 is a prime.

It is a super-2 number, since 2×43040323340341² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43040323340297 and 43040323340306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43040323340381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141821661 + ... + 142124818.

It is an arithmetic number, because the mean of its divisors is an integer number (10760151859600).

Almost surely, 2^{43040323340341} is an apocalyptic number.

It is an amenable number.

43040323340341 is a deficient number, since it is larger than the sum of its proper divisors (284098059).

43040323340341 is a wasteful number, since it uses less digits than its factorization.

43040323340341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284098058.

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 43040323340341 its reverse (14304332304034), we get a palindrome (57344655644375).

The spelling of 43040323340341 in words is "forty-three trillion, forty billion, three hundred twenty-three million, three hundred forty thousand, three hundred forty-one".