201323023311 has 8 divisors (see below), whose sum is σ = 284220738864. Its totient is φ = 126320328320.

The previous prime is 201323023309. The next prime is 201323023339. The reversal of 201323023311 is 113320323102.

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 201323023311 - 2¹ = 201323023309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201323025311) 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, 1973755080 + ... + 1973755181.

It is an arithmetic number, because the mean of its divisors is an integer number (35527592358).

Almost surely, 2^201323023311 is an apocalyptic number.

201323023311 is a deficient number, since it is larger than the sum of its proper divisors (82897715553).

201323023311 is a wasteful number, since it uses less digits than its factorization.

201323023311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947510281.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 201323023311 its reverse (113320323102), we get a palindrome (314643346413).

The spelling of 201323023311 in words is "two hundred one billion, three hundred twenty-three million, twenty-three thousand, three hundred eleven".