123337161 has 10 divisors (see below), whose sum is σ = 184244522. Its totient is φ = 82224720.

The previous prime is 123337147. The next prime is 123337163. The reversal of 123337161 is 161733321.

123337161 is a `hidden beast` number, since 1 + 233 + 371 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 81812025 + 41525136 = 9045^2 + 6444^2 .

It is not a de Polignac number, because 123337161 - 2⁷ = 123337033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123337163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 761260 + ... + 761421.

Almost surely, 2^123337161 is an apocalyptic number.

It is an amenable number.

123337161 is a deficient number, since it is larger than the sum of its proper divisors (60907361).

123337161 is an equidigital number, since it uses as much as digits as its factorization.

123337161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522693 (or 1522684 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 123337161 is about 11105.7264958219. The cubic root of 123337161 is about 497.7729767956.

The spelling of 123337161 in words is "one hundred twenty-three million, three hundred thirty-seven thousand, one hundred sixty-one".