43161023603 has 2 divisors, whose sum is σ = 43161023604. Its totient is φ = 43161023602.

The previous prime is 43161023509. The next prime is 43161023617. The reversal of 43161023603 is 30632016134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43161023603 - 2¹⁶ = 43160958067 is a prime.

It is not a weakly prime, because it can be changed into another prime (43161023683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21580511801 + 21580511802.

It is an arithmetic number, because the mean of its divisors is an integer number (21580511802).

Almost surely, 2^43161023603 is an apocalyptic number.

43161023603 is a deficient number, since it is larger than the sum of its proper divisors (1).

43161023603 is an equidigital number, since it uses as much as digits as its factorization.

43161023603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 43161023603 its reverse (30632016134), we get a palindrome (73793039737).

The spelling of 43161023603 in words is "forty-three billion, one hundred sixty-one million, twenty-three thousand, six hundred three".