1323011141 has 2 divisors, whose sum is σ = 1323011142. Its totient is φ = 1323011140.

The previous prime is 1323011093. The next prime is 1323011147. The reversal of 1323011141 is 1411103231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 935748100 + 387263041 = 30590^2 + 19679^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323011141 - 2¹⁸ = 1322748997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323011147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661505570 + 661505571.

It is an arithmetic number, because the mean of its divisors is an integer number (661505571).

Almost surely, 2^1323011141 is an apocalyptic number.

It is an amenable number.

1323011141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323011141 is an equidigital number, since it uses as much as digits as its factorization.

1323011141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1323011141 is about 36373.2201076561. The cubic root of 1323011141 is about 1097.7947945043.

Adding to 1323011141 its reverse (1411103231), we get a palindrome (2734114372).

The spelling of 1323011141 in words is "one billion, three hundred twenty-three million, eleven thousand, one hundred forty-one".