212323243301 has 16 divisors (see below), whose sum is σ = 232560350400. Its totient is φ = 192644759808.

The previous prime is 212323243283. The next prime is 212323243309. The reversal of 212323243301 is 103342323212.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212323243301 is a prime.

It is a super-3 number, since 3×212323243301³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212323243309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9667805 + ... + 9689741.

It is an arithmetic number, because the mean of its divisors is an integer number (14535021900).

Almost surely, 2^212323243301 is an apocalyptic number.

It is an amenable number.

212323243301 is a deficient number, since it is larger than the sum of its proper divisors (20237107099).

212323243301 is a wasteful number, since it uses less digits than its factorization.

212323243301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34628.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 212323243301 its reverse (103342323212), we get a palindrome (315665566513).

The spelling of 212323243301 in words is "two hundred twelve billion, three hundred twenty-three million, two hundred forty-three thousand, three hundred one".