12213455431223 has 2 divisors, whose sum is σ = 12213455431224. Its totient is φ = 12213455431222.

The previous prime is 12213455431183. The next prime is 12213455431313. The reversal of 12213455431223 is 32213455431221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12213455431223 - 2⁶ = 12213455431159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12213455331223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106727715611 + 6106727715612.

It is an arithmetic number, because the mean of its divisors is an integer number (6106727715612).

Almost surely, 2^{12213455431223} is an apocalyptic number.

12213455431223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213455431223 is an equidigital number, since it uses as much as digits as its factorization.

12213455431223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 38.

The spelling of 12213455431223 in words is "twelve trillion, two hundred thirteen billion, four hundred fifty-five million, four hundred thirty-one thousand, two hundred twenty-three".