23443210043161 has 2 divisors, whose sum is σ = 23443210043162. Its totient is φ = 23443210043160.

The previous prime is 23443210043089. The next prime is 23443210043219. The reversal of 23443210043161 is 16134001234432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17904906753561 + 5538303289600 = 4231419^2 + 2353360^2 .

It is a cyclic number.

It is not a de Polignac number, because 23443210043161 - 2¹¹ = 23443210041113 is a prime.

It is not a weakly prime, because it can be changed into another prime (23443210043261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11721605021580 + 11721605021581.

It is an arithmetic number, because the mean of its divisors is an integer number (11721605021581).

Almost surely, 2^{23443210043161} is an apocalyptic number.

It is an amenable number.

23443210043161 is a deficient number, since it is larger than the sum of its proper divisors (1).

23443210043161 is an equidigital number, since it uses as much as digits as its factorization.

23443210043161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 23443210043161 its reverse (16134001234432), we get a palindrome (39577211277593).

The spelling of 23443210043161 in words is "twenty-three trillion, four hundred forty-three billion, two hundred ten million, forty-three thousand, one hundred sixty-one".