2023321331111 has 4 divisors (see below), whose sum is σ = 2111291823792. Its totient is φ = 1935350838432.

The previous prime is 2023321331039. The next prime is 2023321331159. The reversal of 2023321331111 is 1111331233202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2023321331111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 87970492657 = 2023321331111 / (2 + 0 + 2 + 3 + 3 + 2 + 1 + 3 + 3 + 1 + 1 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023321331711) 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, 43985246306 + ... + 43985246351.

It is an arithmetic number, because the mean of its divisors is an integer number (527822955948).

Almost surely, 2^{2023321331111} is an apocalyptic number.

2023321331111 is a deficient number, since it is larger than the sum of its proper divisors (87970492681).

2023321331111 is an equidigital number, since it uses as much as digits as its factorization.

2023321331111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87970492680.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 2023321331111 its reverse (1111331233202), we get a palindrome (3134652564313).

The spelling of 2023321331111 in words is "two trillion, twenty-three billion, three hundred twenty-one million, three hundred thirty-one thousand, one hundred eleven".