2123432211 has 8 divisors (see below), whose sum is σ = 2834268304. Its totient is φ = 1414108800.

The previous prime is 2123432173. The next prime is 2123432261. The reversal of 2123432211 is 1122343212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2123432211 - 2¹⁰ = 2123431187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123432261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374890 + ... + 380511.

It is an arithmetic number, because the mean of its divisors is an integer number (354283538).

Almost surely, 2^2123432211 is an apocalyptic number.

2123432211 is a deficient number, since it is larger than the sum of its proper divisors (710836093).

2123432211 is an equidigital number, since it uses as much as digits as its factorization.

2123432211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756341.

The product of its digits is 576, while the sum is 21.

The square root of 2123432211 is about 46080.7140895191. The cubic root of 2123432211 is about 1285.3245428750.

Adding to 2123432211 its reverse (1122343212), we get a palindrome (3245775423).

The spelling of 2123432211 in words is "two billion, one hundred twenty-three million, four hundred thirty-two thousand, two hundred eleven".