1323012011 has 2 divisors, whose sum is σ = 1323012012. Its totient is φ = 1323012010.

The previous prime is 1323012007. The next prime is 1323012037. The reversal of 1323012011 is 1102103231.

It is a weak prime.

It is an emirp because it is prime and its reverse (1102103231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1323012011 - 2² = 1323012007 is a prime.

It is not a weakly prime, because it can be changed into another prime (1323012311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661506005 + 661506006.

It is an arithmetic number, because the mean of its divisors is an integer number (661506006).

Almost surely, 2^1323012011 is an apocalyptic number.

1323012011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323012011 is an equidigital number, since it uses as much as digits as its factorization.

1323012011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1323012011 is about 36373.2320670022. The cubic root of 1323012011 is about 1097.7950351375.

Adding to 1323012011 its reverse (1102103231), we get a palindrome (2425115242).

The spelling of 1323012011 in words is "one billion, three hundred twenty-three million, twelve thousand, eleven".