12203230121323 has 4 divisors (see below), whose sum is σ = 12203274505048. Its totient is φ = 12203185737600.

The previous prime is 12203230121293. The next prime is 12203230121333. The reversal of 12203230121323 is 32312103230221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12203230121323 is a prime.

It is a super-2 number, since 2×12203230121323² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12203230121333) 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, 21776853 + ... + 22330198.

It is an arithmetic number, because the mean of its divisors is an integer number (3050818626262).

Almost surely, 2^{12203230121323} is an apocalyptic number.

12203230121323 is a deficient number, since it is larger than the sum of its proper divisors (44383725).

12203230121323 is an equidigital number, since it uses as much as digits as its factorization.

12203230121323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44383724.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 12203230121323 its reverse (32312103230221), we get a palindrome (44515333351544).

The spelling of 12203230121323 in words is "twelve trillion, two hundred three billion, two hundred thirty million, one hundred twenty-one thousand, three hundred twenty-three".