123242163 has 16 divisors (see below), whose sum is σ = 189806976. Its totient is φ = 70298240.

The previous prime is 123242111. The next prime is 123242173. The reversal of 123242163 is 361242321.

It is a cyclic number.

It is not a de Polignac number, because 123242163 - 2⁶ = 123242099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123242173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109281 + ... + 110402.

It is an arithmetic number, because the mean of its divisors is an integer number (11862936).

Almost surely, 2^123242163 is an apocalyptic number.

123242163 is a deficient number, since it is larger than the sum of its proper divisors (66564813).

123242163 is a wasteful number, since it uses less digits than its factorization.

123242163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219714.

The product of its digits is 1728, while the sum is 24.

The square root of 123242163 is about 11101.4486892477. The cubic root of 123242163 is about 497.6451440516.

Adding to 123242163 its reverse (361242321), we get a palindrome (484484484).

The spelling of 123242163 in words is "one hundred twenty-three million, two hundred forty-two thousand, one hundred sixty-three".