2211203023 has 4 divisors (see below), whose sum is σ = 2212529560. Its totient is φ = 2209876488.

The previous prime is 2211203009. The next prime is 2211203041. The reversal of 2211203023 is 3203021122.

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 2211203023 - 2²⁹ = 1674332111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2211202988 and 2211203006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211203063) 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, 660765 + ... + 664102.

It is an arithmetic number, because the mean of its divisors is an integer number (553132390).

Almost surely, 2^2211203023 is an apocalyptic number.

2211203023 is a deficient number, since it is larger than the sum of its proper divisors (1326537).

2211203023 is a wasteful number, since it uses less digits than its factorization.

2211203023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326536.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2211203023 is about 47023.4305745551. The cubic root of 2211203023 is about 1302.7953700574.

Adding to 2211203023 its reverse (3203021122), we get a palindrome (5414224145).

The spelling of 2211203023 in words is "two billion, two hundred eleven million, two hundred three thousand, twenty-three".