12303123306 has 32 divisors (see below), whose sum is σ = 25481547648. Its totient is φ = 3957695040.

The previous prime is 12303123281. The next prime is 12303123311. The reversal of 12303123306 is 60332130321.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297726 + ... + 336521.

It is an arithmetic number, because the mean of its divisors is an integer number (796298364).

Almost surely, 2^12303123306 is an apocalyptic number.

12303123306 is an abundant number, since it is smaller than the sum of its proper divisors (13178424342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12303123306 is a wasteful number, since it uses less digits than its factorization.

12303123306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634366.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 12303123306 its reverse (60332130321), we get a palindrome (72635253627).

The spelling of 12303123306 in words is "twelve billion, three hundred three million, one hundred twenty-three thousand, three hundred six".