1232111233 has 2 divisors, whose sum is σ = 1232111234. Its totient is φ = 1232111232.

The previous prime is 1232111161. The next prime is 1232111249. The reversal of 1232111233 is 3321112321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1192459024 + 39652209 = 34532^2 + 6297^2 .

It is an emirp because it is prime and its reverse (3321112321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1232111233 - 2²¹ = 1230014081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1232111233.

It is not a weakly prime, because it can be changed into another prime (1232111263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616055616 + 616055617.

It is an arithmetic number, because the mean of its divisors is an integer number (616055617).

Almost surely, 2^1232111233 is an apocalyptic number.

It is an amenable number.

1232111233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232111233 is an equidigital number, since it uses as much as digits as its factorization.

1232111233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 19.

The square root of 1232111233 is about 35101.4420359050. The cubic root of 1232111233 is about 1072.0539442600.

Adding to 1232111233 its reverse (3321112321), we get a palindrome (4553223554).

The spelling of 1232111233 in words is "one billion, two hundred thirty-two million, one hundred eleven thousand, two hundred thirty-three".