123423114161 has 2 divisors, whose sum is σ = 123423114162. Its totient is φ = 123423114160.

The previous prime is 123423114127. The next prime is 123423114197. The reversal of 123423114161 is 161411324321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111706350625 + 11716763536 = 334225^2 + 108244^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123423114161 is a prime.

It is not a weakly prime, because it can be changed into another prime (123423114121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61711557080 + 61711557081.

It is an arithmetic number, because the mean of its divisors is an integer number (61711557081).

Almost surely, 2^123423114161 is an apocalyptic number.

It is an amenable number.

123423114161 is a deficient number, since it is larger than the sum of its proper divisors (1).

123423114161 is an equidigital number, since it uses as much as digits as its factorization.

123423114161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 29.

Adding to 123423114161 its reverse (161411324321), we get a palindrome (284834438482).

The spelling of 123423114161 in words is "one hundred twenty-three billion, four hundred twenty-three million, one hundred fourteen thousand, one hundred sixty-one".