1232443211 has 4 divisors (see below), whose sum is σ = 1236457992. Its totient is φ = 1228428432.

The previous prime is 1232443187. The next prime is 1232443217. The reversal of 1232443211 is 1123442321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1123442321 = 103 ⋅10907207.

It is a cyclic number.

It is not a de Polignac number, because 1232443211 - 2¹⁰ = 1232442187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232443217) 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, 2006930 + ... + 2007543.

It is an arithmetic number, because the mean of its divisors is an integer number (309114498).

Almost surely, 2^1232443211 is an apocalyptic number.

1232443211 is a deficient number, since it is larger than the sum of its proper divisors (4014781).

1232443211 is an equidigital number, since it uses as much as digits as its factorization.

1232443211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014780.

The product of its digits is 1152, while the sum is 23.

The square root of 1232443211 is about 35106.1705544766. The cubic root of 1232443211 is about 1072.1502197572.

Adding to 1232443211 its reverse (1123442321), we get a palindrome (2355885532).

The spelling of 1232443211 in words is "one billion, two hundred thirty-two million, four hundred forty-three thousand, two hundred eleven".