12233421023 has 4 divisors (see below), whose sum is σ = 12233863488. Its totient is φ = 12232978560.

The previous prime is 12233420999. The next prime is 12233421059. The reversal of 12233421023 is 32012433221.

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 12233421023 - 2⁸ = 12233420767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12233421023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12233121023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176783 + ... + 236048.

It is an arithmetic number, because the mean of its divisors is an integer number (3058465872).

Almost surely, 2^12233421023 is an apocalyptic number.

12233421023 is a deficient number, since it is larger than the sum of its proper divisors (442465).

12233421023 is an equidigital number, since it uses as much as digits as its factorization.

12233421023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442464.

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

Adding to 12233421023 its reverse (32012433221), we get a palindrome (44245854244).

The spelling of 12233421023 in words is "twelve billion, two hundred thirty-three million, four hundred twenty-one thousand, twenty-three".