201312332123 has 8 divisors (see below), whose sum is σ = 234966369792. Its totient is φ = 168882077736.

The previous prime is 201312332077. The next prime is 201312332129. The reversal of 201312332123 is 321233213102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201312332123 - 2⁶ = 201312332059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201312332129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305945465 + ... + 305946122.

It is an arithmetic number, because the mean of its divisors is an integer number (29370796224).

Almost surely, 2^201312332123 is an apocalyptic number.

201312332123 is a deficient number, since it is larger than the sum of its proper divisors (33654037669).

201312332123 is an equidigital number, since it uses as much as digits as its factorization.

201312332123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611891641.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 201312332123 its reverse (321233213102), we get a palindrome (522545545225).

The spelling of 201312332123 in words is "two hundred one billion, three hundred twelve million, three hundred thirty-two thousand, one hundred twenty-three".