123463112161 has 2 divisors, whose sum is σ = 123463112162. Its totient is φ = 123463112160.

The previous prime is 123463112141. The next prime is 123463112173. The reversal of 123463112161 is 161211364321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83160140625 + 40302971536 = 288375^2 + 200756^2 .

It is a cyclic number.

It is not a de Polignac number, because 123463112161 - 2¹⁵ = 123463079393 is a prime.

It is not a weakly prime, because it can be changed into another prime (123463112141) 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, 61731556080 + 61731556081.

It is an arithmetic number, because the mean of its divisors is an integer number (61731556081).

Almost surely, 2^123463112161 is an apocalyptic number.

It is an amenable number.

123463112161 is a deficient number, since it is larger than the sum of its proper divisors (1).

123463112161 is an equidigital number, since it uses as much as digits as its factorization.

123463112161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 31.

Adding to 123463112161 its reverse (161211364321), we get a palindrome (284674476482).

The spelling of 123463112161 in words is "one hundred twenty-three billion, four hundred sixty-three million, one hundred twelve thousand, one hundred sixty-one".