201120201323 has 4 divisors (see below), whose sum is σ = 203875272648. Its totient is φ = 198365130000.

The previous prime is 201120201319. The next prime is 201120201367. The reversal of 201120201323 is 323102021102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201120201323 - 2² = 201120201319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201120201223) 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 3 ways as a sum of consecutive naturals, for example, 1377535553 + ... + 1377535698.

It is an arithmetic number, because the mean of its divisors is an integer number (50968818162).

Almost surely, 2^201120201323 is an apocalyptic number.

201120201323 is a deficient number, since it is larger than the sum of its proper divisors (2755071325).

201120201323 is an equidigital number, since it uses as much as digits as its factorization.

201120201323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755071324.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 201120201323 its reverse (323102021102), we get a palindrome (524222222425).

The spelling of 201120201323 in words is "two hundred one billion, one hundred twenty million, two hundred one thousand, three hundred twenty-three".