12322023231 has 8 divisors (see below), whose sum is σ = 18776416384. Its totient is φ = 7041156120.

The previous prime is 12322023227. The next prime is 12322023269. The reversal of 12322023231 is 13232022321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12322023231 - 2² = 12322023227 is a prime.

It is a super-2 number, since 2×12322023231² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 586763011 = 12322023231 / (1 + 2 + 3 + 2 + 2 + 0 + 2 + 3 + 2 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12322023198 and 12322023207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12322023031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293381485 + ... + 293381526.

It is an arithmetic number, because the mean of its divisors is an integer number (2347052048).

Almost surely, 2^12322023231 is an apocalyptic number.

12322023231 is a deficient number, since it is larger than the sum of its proper divisors (6454393153).

12322023231 is an equidigital number, since it uses as much as digits as its factorization.

12322023231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586763021.

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

Adding to 12322023231 its reverse (13232022321), we get a palindrome (25554045552).

The spelling of 12322023231 in words is "twelve billion, three hundred twenty-two million, twenty-three thousand, two hundred thirty-one".