12321120200023 has 4 divisors (see below), whose sum is σ = 12321873847800. Its totient is φ = 12320366552248.

The previous prime is 12321120199987. The next prime is 12321120200027. The reversal of 12321120200023 is 32000202112321.

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 12321120200023 - 2²¹ = 12321118102871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321120200027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376799365 + ... + 376832062.

It is an arithmetic number, because the mean of its divisors is an integer number (3080468461950).

Almost surely, 2^{12321120200023} is an apocalyptic number.

12321120200023 is a deficient number, since it is larger than the sum of its proper divisors (753647777).

12321120200023 is an equidigital number, since it uses as much as digits as its factorization.

12321120200023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753647776.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12321120200023 its reverse (32000202112321), we get a palindrome (44321322312344).

The spelling of 12321120200023 in words is "twelve trillion, three hundred twenty-one billion, one hundred twenty million, two hundred thousand, twenty-three".