123230312 has 16 divisors (see below), whose sum is σ = 232027200. Its totient is φ = 61356400.

The previous prime is 123230299. The next prime is 123230321. The reversal of 123230312 is 213032321.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30314 + ... + 34137.

It is an arithmetic number, because the mean of its divisors is an integer number (14501700).

Almost surely, 2^123230312 is an apocalyptic number.

It is an amenable number.

123230312 is a deficient number, since it is larger than the sum of its proper divisors (108796888).

123230312 is a wasteful number, since it uses less digits than its factorization.

123230312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64696 (or 64692 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 123230312 is about 11100.9149172489. The cubic root of 123230312 is about 497.6291923093.

Adding to 123230312 its reverse (213032321), we get a palindrome (336262633).

The spelling of 123230312 in words is "one hundred twenty-three million, two hundred thirty thousand, three hundred twelve".