201321021003323 has 8 divisors (see below), whose sum is σ = 216833787250416. Its totient is φ = 185812045308000.

The previous prime is 201321021003317. The next prime is 201321021003337. The reversal of 201321021003323 is 323300120123102.

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 201321021003323 - 2³⁴ = 201303841134139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201321021006323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 947527628 + ... + 947740073.

It is an arithmetic number, because the mean of its divisors is an integer number (27104223406302).

Almost surely, 2^{201321021003323} is an apocalyptic number.

201321021003323 is a deficient number, since it is larger than the sum of its proper divisors (15512766247093).

201321021003323 is a wasteful number, since it uses less digits than its factorization.

201321021003323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895275885.

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

Adding to 201321021003323 its reverse (323300120123102), we get a palindrome (524621141126425).

The spelling of 201321021003323 in words is "two hundred one trillion, three hundred twenty-one billion, twenty-one million, three thousand, three hundred twenty-three".