212323351223 has 2 divisors, whose sum is σ = 212323351224. Its totient is φ = 212323351222.

The previous prime is 212323351213. The next prime is 212323351241. The reversal of 212323351223 is 322153323212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212323351223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212323351213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106161675611 + 106161675612.

It is an arithmetic number, because the mean of its divisors is an integer number (106161675612).

Almost surely, 2^212323351223 is an apocalyptic number.

212323351223 is a deficient number, since it is larger than the sum of its proper divisors (1).

212323351223 is an equidigital number, since it uses as much as digits as its factorization.

212323351223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 29.

Adding to 212323351223 its reverse (322153323212), we get a palindrome (534476674435).

The spelling of 212323351223 in words is "two hundred twelve billion, three hundred twenty-three million, three hundred fifty-one thousand, two hundred twenty-three".