234643235161 has 2 divisors, whose sum is σ = 234643235162. Its totient is φ = 234643235160.

The previous prime is 234643235153. The next prime is 234643235237. The reversal of 234643235161 is 161532346432.

234643235161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166753806025 + 67889429136 = 408355^2 + 260556^2 .

It is a cyclic number.

It is not a de Polignac number, because 234643235161 - 2³ = 234643235153 is a prime.

It is not a weakly prime, because it can be changed into another prime (234643235111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117321617580 + 117321617581.

It is an arithmetic number, because the mean of its divisors is an integer number (117321617581).

Almost surely, 2^234643235161 is an apocalyptic number.

It is an amenable number.

234643235161 is a deficient number, since it is larger than the sum of its proper divisors (1).

234643235161 is an equidigital number, since it uses as much as digits as its factorization.

234643235161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 40.

The spelling of 234643235161 in words is "two hundred thirty-four billion, six hundred forty-three million, two hundred thirty-five thousand, one hundred sixty-one".