212323242323237 has 2 divisors, whose sum is σ = 212323242323238. Its totient is φ = 212323242323236.

The previous prime is 212323242323207. The next prime is 212323242323239. The reversal of 212323242323237 is 732323242323212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110242146139876 + 102081096183361 = 10499626^2 + 10103519^2 .

It is a cyclic number.

It is not a de Polignac number, because 212323242323237 - 2⁸ = 212323242322981 is a prime.

It is a super-3 number, since 3×212323242323237³ (a number of 44 digits) contains 333 as substring.

Together with 212323242323239, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 212323242323194 and 212323242323203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212323242323239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106161621161618 + 106161621161619.

It is an arithmetic number, because the mean of its divisors is an integer number (106161621161619).

Almost surely, 2^{212323242323237} is an apocalyptic number.

It is an amenable number.

212323242323237 is a deficient number, since it is larger than the sum of its proper divisors (1).

212323242323237 is an equidigital number, since it uses as much as digits as its factorization.

212323242323237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 41.

Adding to 212323242323237 its reverse (732323242323212), we get a palindrome (944646484646449).

The spelling of 212323242323237 in words is "two hundred twelve trillion, three hundred twenty-three billion, two hundred forty-two million, three hundred twenty-three thousand, two hundred thirty-seven".