4320343323161 has 2 divisors, whose sum is σ = 4320343323162. Its totient is φ = 4320343323160.

The previous prime is 4320343323097. The next prime is 4320343323209. The reversal of 4320343323161 is 1613233430234.

4320343323161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2966799553600 + 1353543769561 = 1722440^2 + 1163419^2 .

It is a cyclic number.

It is not a de Polignac number, because 4320343323161 - 2⁶ = 4320343323097 is a prime.

It is not a weakly prime, because it can be changed into another prime (4320343313161) 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, 2160171661580 + 2160171661581.

It is an arithmetic number, because the mean of its divisors is an integer number (2160171661581).

Almost surely, 2^{4320343323161} is an apocalyptic number.

It is an amenable number.

4320343323161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4320343323161 is an equidigital number, since it uses as much as digits as its factorization.

4320343323161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 35.

Adding to 4320343323161 its reverse (1613233430234), we get a palindrome (5933576753395).

The spelling of 4320343323161 in words is "four trillion, three hundred twenty billion, three hundred forty-three million, three hundred twenty-three thousand, one hundred sixty-one".