201212323 has 32 divisors (see below), whose sum is σ = 236888064. Its totient is φ = 169247232.

The previous prime is 201212279. The next prime is 201212339. The reversal of 201212323 is 323212102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201212323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201212297 and 201212306.

It is not an unprimeable number, because it can be changed into a prime (201212383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1584286 + ... + 1584412.

It is an arithmetic number, because the mean of its divisors is an integer number (7402752).

Almost surely, 2^201212323 is an apocalyptic number.

201212323 is a deficient number, since it is larger than the sum of its proper divisors (35675741).

201212323 is a wasteful number, since it uses less digits than its factorization.

201212323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 201212323 is about 14184.9329571909. The cubic root of 201212323 is about 585.9827861313.

Adding to 201212323 its reverse (323212102), we get a palindrome (524424425).

The spelling of 201212323 in words is "two hundred one million, two hundred twelve thousand, three hundred twenty-three".