12343221023 has 4 divisors (see below), whose sum is σ = 14106538320. Its totient is φ = 10579903728.

The previous prime is 12343220977. The next prime is 12343221031. The reversal of 12343221023 is 32012234321.

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 12343221023 - 2⁸ = 12343220767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12343221023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12343221073) 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, 881658638 + ... + 881658651.

It is an arithmetic number, because the mean of its divisors is an integer number (3526634580).

Almost surely, 2^12343221023 is an apocalyptic number.

12343221023 is a deficient number, since it is larger than the sum of its proper divisors (1763317297).

12343221023 is an equidigital number, since it uses as much as digits as its factorization.

12343221023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763317296.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12343221023 its reverse (32012234321), we get a palindrome (44355455344).

The spelling of 12343221023 in words is "twelve billion, three hundred forty-three million, two hundred twenty-one thousand, twenty-three".