12003023223 has 6 divisors (see below), whose sum is σ = 17337700224. Its totient is φ = 8002015476.

The previous prime is 12003023203. The next prime is 12003023233. The reversal of 12003023223 is 32232030021.

It is a happy number.

It is not a de Polignac number, because 12003023223 - 2¹⁷ = 12002892151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12003023196 and 12003023205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003023203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 666834615 + ... + 666834632.

It is an arithmetic number, because the mean of its divisors is an integer number (2889616704).

Almost surely, 2^12003023223 is an apocalyptic number.

12003023223 is a deficient number, since it is larger than the sum of its proper divisors (5334677001).

12003023223 is a wasteful number, since it uses less digits than its factorization.

12003023223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333669253 (or 1333669250 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 12003023223 its reverse (32232030021), we get a palindrome (44235053244).

The spelling of 12003023223 in words is "twelve billion, three million, twenty-three thousand, two hundred twenty-three".