213012331223 has 2 divisors, whose sum is σ = 213012331224. Its totient is φ = 213012331222.

The previous prime is 213012331219. The next prime is 213012331243. The reversal of 213012331223 is 322133210312.

213012331223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213012331223 - 2² = 213012331219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213012331243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106506165611 + 106506165612.

It is an arithmetic number, because the mean of its divisors is an integer number (106506165612).

Almost surely, 2^213012331223 is an apocalyptic number.

213012331223 is a deficient number, since it is larger than the sum of its proper divisors (1).

213012331223 is an equidigital number, since it uses as much as digits as its factorization.

213012331223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 213012331223 its reverse (322133210312), we get a palindrome (535145541535).

The spelling of 213012331223 in words is "two hundred thirteen billion, twelve million, three hundred thirty-one thousand, two hundred twenty-three".