43032121133 has 2 divisors, whose sum is σ = 43032121134. Its totient is φ = 43032121132.

The previous prime is 43032121127. The next prime is 43032121151. The reversal of 43032121133 is 33112123034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39076591684 + 3955529449 = 197678^2 + 62893^2 .

It is a cyclic number.

It is not a de Polignac number, because 43032121133 - 2²⁸ = 42763685677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 43032121099 and 43032121108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43032121183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21516060566 + 21516060567.

It is an arithmetic number, because the mean of its divisors is an integer number (21516060567).

Almost surely, 2^43032121133 is an apocalyptic number.

It is an amenable number.

43032121133 is a deficient number, since it is larger than the sum of its proper divisors (1).

43032121133 is an equidigital number, since it uses as much as digits as its factorization.

43032121133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 43032121133 its reverse (33112123034), we get a palindrome (76144244167).

The spelling of 43032121133 in words is "forty-three billion, thirty-two million, one hundred twenty-one thousand, one hundred thirty-three".