123238424 has 16 divisors (see below), whose sum is σ = 231190200. Its totient is φ = 61587712.

The previous prime is 123238421. The next prime is 123238447. The reversal of 123238424 is 424832321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123238421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26807 + ... + 31065.

Almost surely, 2^123238424 is an apocalyptic number.

It is an amenable number.

123238424 is a deficient number, since it is larger than the sum of its proper divisors (107951776).

123238424 is a wasteful number, since it uses less digits than its factorization.

123238424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7882 (or 7878 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 123238424 is about 11101.2802865255. The cubic root of 123238424 is about 497.6401113745.

The spelling of 123238424 in words is "one hundred twenty-three million, two hundred thirty-eight thousand, four hundred twenty-four".