12023421023 has 8 divisors (see below), whose sum is σ = 12230077200. Its totient is φ = 11816860608.

The previous prime is 12023421019. The next prime is 12023421031. The reversal of 12023421023 is 32012432021.

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

It is a cyclic number.

It is not a de Polignac number, because 12023421023 - 2² = 12023421019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12023420986 and 12023421004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023421013) 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 7 ways as a sum of consecutive naturals, for example, 257465 + ... + 300557.

It is an arithmetic number, because the mean of its divisors is an integer number (1528759650).

Almost surely, 2^12023421023 is an apocalyptic number.

12023421023 is a deficient number, since it is larger than the sum of its proper divisors (206656177).

12023421023 is an equidigital number, since it uses as much as digits as its factorization.

12023421023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47881.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12023421023 its reverse (32012432021), we get a palindrome (44035853044).

The spelling of 12023421023 in words is "twelve billion, twenty-three million, four hundred twenty-one thousand, twenty-three".