123346161 has 12 divisors (see below), whose sum is σ = 178813492. Its totient is φ = 81932256.

The previous prime is 123346147. The next prime is 123346177. The reversal of 123346161 is 161643321.

123346161 is a `hidden beast` number, since 12 + 3 + 34 + 616 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24443136 + 98903025 = 4944^2 + 9945^2 .

It is not a de Polignac number, because 123346161 - 2¹⁰ = 123345137 is a prime.

It is a super-3 number, since 3×123346161³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123346121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22246 + ... + 27231.

Almost surely, 2^123346161 is an apocalyptic number.

It is an amenable number.

123346161 is a deficient number, since it is larger than the sum of its proper divisors (55467331).

123346161 is a wasteful number, since it uses less digits than its factorization.

123346161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49760 (or 49757 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 123346161 is about 11106.1316847947. The cubic root of 123346161 is about 497.7850841167.

Adding to 123346161 its reverse (161643321), we get a palindrome (284989482).

The spelling of 123346161 in words is "one hundred twenty-three million, three hundred forty-six thousand, one hundred sixty-one".