1323142133 has 2 divisors, whose sum is σ = 1323142134. Its totient is φ = 1323142132.

The previous prime is 1323142111. The next prime is 1323142157. The reversal of 1323142133 is 3312413231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 915788644 + 407353489 = 30262^2 + 20183^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323142133 - 2⁶ = 1323142069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1323142099 and 1323142108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323142103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661571066 + 661571067.

It is an arithmetic number, because the mean of its divisors is an integer number (661571067).

Almost surely, 2^1323142133 is an apocalyptic number.

It is an amenable number.

1323142133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323142133 is an equidigital number, since it uses as much as digits as its factorization.

1323142133 is an evil number, because the sum of its binary digits is even.

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

The square root of 1323142133 is about 36375.0207285164. The cubic root of 1323142133 is about 1097.8310243806.

Adding to 1323142133 its reverse (3312413231), we get a palindrome (4635555364).

The spelling of 1323142133 in words is "one billion, three hundred twenty-three million, one hundred forty-two thousand, one hundred thirty-three".