12102312231323 has 4 divisors (see below), whose sum is σ = 12238293267720. Its totient is φ = 11966331194928.

The previous prime is 12102312231299. The next prime is 12102312231349. The reversal of 12102312231323 is 32313221320121.

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 12102312231323 - 2⁶ = 12102312231259 is a prime.

It is a super-2 number, since 2×12102312231323² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12102312231292 and 12102312231301.

It is not an unprimeable number, because it can be changed into a prime (12102312236323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67990518065 + ... + 67990518242.

It is an arithmetic number, because the mean of its divisors is an integer number (3059573316930).

Almost surely, 2^{12102312231323} is an apocalyptic number.

12102312231323 is a deficient number, since it is larger than the sum of its proper divisors (135981036397).

12102312231323 is an equidigital number, since it uses as much as digits as its factorization.

12102312231323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135981036396.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12102312231323 its reverse (32313221320121), we get a palindrome (44415533551444).

The spelling of 12102312231323 in words is "twelve trillion, one hundred two billion, three hundred twelve million, two hundred thirty-one thousand, three hundred twenty-three".