123243183 has 54 divisors (see below), whose sum is σ = 220207416. Its totient is φ = 66213504.

The previous prime is 123243181. The next prime is 123243187. The reversal of 123243183 is 381342321.

It is not a de Polignac number, because 123243183 - 2¹ = 123243181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123243181) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 126966 + ... + 127932.

Almost surely, 2^123243183 is an apocalyptic number.

123243183 is a deficient number, since it is larger than the sum of its proper divisors (96964233).

123243183 is a wasteful number, since it uses less digits than its factorization.

123243183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021 (or 994 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 123243183 is about 11101.4946291029. The cubic root of 123243183 is about 497.6465169493.

The spelling of 123243183 in words is "one hundred twenty-three million, two hundred forty-three thousand, one hundred eighty-three".