43680238543 has 16 divisors (see below), whose sum is σ = 46154622976. Its totient is φ = 41273154720.

The previous prime is 43680238471. The next prime is 43680238571. The reversal of 43680238543 is 34583208634.

It is a cyclic number.

It is not a de Polignac number, because 43680238543 - 2¹³ = 43680230351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43680238493 and 43680238502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43680238573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5764105 + ... + 5771677.

It is an arithmetic number, because the mean of its divisors is an integer number (2884663936).

Almost surely, 2^43680238543 is an apocalyptic number.

43680238543 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

43680238543 is a deficient number, since it is larger than the sum of its proper divisors (2474384433).

43680238543 is a wasteful number, since it uses less digits than its factorization.

43680238543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11974.

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 43680238543 in words is "forty-three billion, six hundred eighty million, two hundred thirty-eight thousand, five hundred forty-three".