43108543 has 2 divisors, whose sum is σ = 43108544. Its totient is φ = 43108542.

The previous prime is 43108501. The next prime is 43108547. The reversal of 43108543 is 34580134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43108543 - 2²¹ = 41011391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43108547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21554271 + 21554272.

It is an arithmetic number, because the mean of its divisors is an integer number (21554272).

Almost surely, 2^43108543 is an apocalyptic number.

43108543 is a deficient number, since it is larger than the sum of its proper divisors (1).

43108543 is an equidigital number, since it uses as much as digits as its factorization.

43108543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 43108543 is about 6565.7096341523. The cubic root of 43108543 is about 350.6343407813.

Adding to 43108543 its reverse (34580134), we get a palindrome (77688677).

The spelling of 43108543 in words is "forty-three million, one hundred eight thousand, five hundred forty-three".