2023213111 has 4 divisors (see below), whose sum is σ = 2024784000. Its totient is φ = 2021642224.

The previous prime is 2023213103. The next prime is 2023213117. The reversal of 2023213111 is 1113123202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1113123202 = 2 ⋅556561601.

It is a cyclic number.

It is not a de Polignac number, because 2023213111 - 2³ = 2023213103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023213117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 783511 + ... + 786088.

It is an arithmetic number, because the mean of its divisors is an integer number (506196000).

Almost surely, 2^2023213111 is an apocalyptic number.

2023213111 is a deficient number, since it is larger than the sum of its proper divisors (1570889).

2023213111 is a wasteful number, since it uses less digits than its factorization.

2023213111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570888.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2023213111 is about 44980.1412959097. The cubic root of 2023213111 is about 1264.7767599104.

Adding to 2023213111 its reverse (1113123202), we get a palindrome (3136336313).

The spelling of 2023213111 in words is "two billion, twenty-three million, two hundred thirteen thousand, one hundred eleven".