12131308223 has 2 divisors, whose sum is σ = 12131308224. Its totient is φ = 12131308222.

The previous prime is 12131308219. The next prime is 12131308243. The reversal of 12131308223 is 32280313121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12131308223 - 2² = 12131308219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12131308192 and 12131308201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12131308243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065654111 + 6065654112.

It is an arithmetic number, because the mean of its divisors is an integer number (6065654112).

Almost surely, 2^12131308223 is an apocalyptic number.

12131308223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12131308223 is an equidigital number, since it uses as much as digits as its factorization.

12131308223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 12131308223 in words is "twelve billion, one hundred thirty-one million, three hundred eight thousand, two hundred twenty-three".