12303222123 has 16 divisors (see below), whose sum is σ = 17669707776. Its totient is φ = 7592449920.

The previous prime is 12303222119. The next prime is 12303222137. The reversal of 12303222123 is 32122230321.

It is a happy number.

It is not a de Polignac number, because 12303222123 - 2² = 12303222119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12303222123.

It is not an unprimeable number, because it can be changed into a prime (12303222103) 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, 2873790 + ... + 2878067.

It is an arithmetic number, because the mean of its divisors is an integer number (1104356736).

Almost surely, 2^12303222123 is an apocalyptic number.

12303222123 is a deficient number, since it is larger than the sum of its proper divisors (5366485653).

12303222123 is a wasteful number, since it uses less digits than its factorization.

12303222123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5751914.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12303222123 its reverse (32122230321), we get a palindrome (44425452444).

The spelling of 12303222123 in words is "twelve billion, three hundred three million, two hundred twenty-two thousand, one hundred twenty-three".