12321233203931 has 2 divisors, whose sum is σ = 12321233203932. Its totient is φ = 12321233203930.

The previous prime is 12321233203883. The next prime is 12321233204011. The reversal of 12321233203931 is 13930233212321.

It is a weak prime.

It is an emirp because it is prime and its reverse (13930233212321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12321233203931 is a prime.

It is a super-2 number, since 2×12321233203931² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12321233203891 and 12321233203900.

It is not a weakly prime, because it can be changed into another prime (12321233200931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160616601965 + 6160616601966.

It is an arithmetic number, because the mean of its divisors is an integer number (6160616601966).

Almost surely, 2^{12321233203931} is an apocalyptic number.

12321233203931 is a deficient number, since it is larger than the sum of its proper divisors (1).

12321233203931 is an equidigital number, since it uses as much as digits as its factorization.

12321233203931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 35.

The spelling of 12321233203931 in words is "twelve trillion, three hundred twenty-one billion, two hundred thirty-three million, two hundred three thousand, nine hundred thirty-one".