201111232323 has 4 divisors (see below), whose sum is σ = 268148309768. Its totient is φ = 134074154880.

The previous prime is 201111232271. The next prime is 201111232367. The reversal of 201111232323 is 323232111102.

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

It is not a de Polignac number, because 201111232323 - 2⁸ = 201111232067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201111232323.

It is not an unprimeable number, because it can be changed into a prime (201111236323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33518538718 + ... + 33518538723.

It is an arithmetic number, because the mean of its divisors is an integer number (67037077442).

Almost surely, 2^201111232323 is an apocalyptic number.

201111232323 is a deficient number, since it is larger than the sum of its proper divisors (67037077445).

201111232323 is an equidigital number, since it uses as much as digits as its factorization.

201111232323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67037077444.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 201111232323 its reverse (323232111102), we get a palindrome (524343343425).

The spelling of 201111232323 in words is "two hundred one billion, one hundred eleven million, two hundred thirty-two thousand, three hundred twenty-three".