12230123203231 has 4 divisors (see below), whose sum is σ = 12761867690352. Its totient is φ = 11698378716112.

The previous prime is 12230123203217. The next prime is 12230123203313. The reversal of 12230123203231 is 13230232103221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12230123203231 - 2⁹ = 12230123202719 is a prime.

It is a super-2 number, since 2×12230123203231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12230123203196 and 12230123203205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230123203931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265872243526 + ... + 265872243571.

It is an arithmetic number, because the mean of its divisors is an integer number (3190466922588).

Almost surely, 2^{12230123203231} is an apocalyptic number.

12230123203231 is a deficient number, since it is larger than the sum of its proper divisors (531744487121).

12230123203231 is an equidigital number, since it uses as much as digits as its factorization.

12230123203231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531744487120.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 12230123203231 its reverse (13230232103221), we get a palindrome (25460355306452).

The spelling of 12230123203231 in words is "twelve trillion, two hundred thirty billion, one hundred twenty-three million, two hundred three thousand, two hundred thirty-one".