12123200223 has 24 divisors (see below), whose sum is σ = 18127920720. Its totient is φ = 7797928320.

The previous prime is 12123200213. The next prime is 12123200233. The reversal of 12123200223 is 32200232121.

12123200223 is a `hidden beast` number, since 121 + 2 + 320 + 0 + 223 = 666.

It is an interprime number because it is at equal distance from previous prime (12123200213) and next prime (12123200233).

It is not a de Polignac number, because 12123200223 - 2⁸ = 12123199967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12123200196 and 12123200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123200213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371403 + ... + 402723.

It is an arithmetic number, because the mean of its divisors is an integer number (755330030).

Almost surely, 2^12123200223 is an apocalyptic number.

12123200223 is a deficient number, since it is larger than the sum of its proper divisors (6004720497).

12123200223 is a wasteful number, since it uses less digits than its factorization.

12123200223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32839 (or 32836 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12123200223 its reverse (32200232121), we get a palindrome (44323432344).

The spelling of 12123200223 in words is "twelve billion, one hundred twenty-three million, two hundred thousand, two hundred twenty-three".