201122312323 has 16 divisors (see below), whose sum is σ = 205029792000. Its totient is φ = 197260952800.

The previous prime is 201122312317. The next prime is 201122312333. The reversal of 201122312323 is 323213221102.

It is a cyclic number.

It is not a de Polignac number, because 201122312323 - 2¹⁷ = 201122181251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201122312294 and 201122312303.

It is not an unprimeable number, because it can be changed into a prime (201122312333) 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, 4733628 + ... + 4775926.

It is an arithmetic number, because the mean of its divisors is an integer number (12814362000).

Almost surely, 2^201122312323 is an apocalyptic number.

201122312323 is a deficient number, since it is larger than the sum of its proper divisors (3907479677).

201122312323 is a wasteful number, since it uses less digits than its factorization.

201122312323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42842.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 201122312323 its reverse (323213221102), we get a palindrome (524335533425).

The spelling of 201122312323 in words is "two hundred one billion, one hundred twenty-two million, three hundred twelve thousand, three hundred twenty-three".