1323011147 has 2 divisors, whose sum is σ = 1323011148. Its totient is φ = 1323011146.

The previous prime is 1323011141. The next prime is 1323011167. The reversal of 1323011147 is 7411103231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1323011147 - 2⁸ = 1323010891 is a prime.

It is not a weakly prime, because it can be changed into another prime (1323011141) 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 as a sum of consecutive naturals, namely, 661505573 + 661505574.

It is an arithmetic number, because the mean of its divisors is an integer number (661505574).

Almost surely, 2^1323011147 is an apocalyptic number.

1323011147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323011147 is an equidigital number, since it uses as much as digits as its factorization.

1323011147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1323011147 is about 36373.2201901344. The cubic root of 1323011147 is about 1097.7947961638.

Adding to 1323011147 its reverse (7411103231), we get a palindrome (8734114378).

The spelling of 1323011147 in words is "one billion, three hundred twenty-three million, eleven thousand, one hundred forty-seven".