1323312007 has 2 divisors, whose sum is σ = 1323312008. Its totient is φ = 1323312006.

The previous prime is 1323311989. The next prime is 1323312037. The reversal of 1323312007 is 7002133231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1323312007 - 2⁷ = 1323311879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323312037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661656003 + 661656004.

It is an arithmetic number, because the mean of its divisors is an integer number (661656004).

Almost surely, 2^1323312007 is an apocalyptic number.

1323312007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323312007 is an equidigital number, since it uses as much as digits as its factorization.

1323312007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 1323312007 is about 36377.3556900443. The cubic root of 1323312007 is about 1097.8780047118.

Adding to 1323312007 its reverse (7002133231), we get a palindrome (8325445238).

The spelling of 1323312007 in words is "one billion, three hundred twenty-three million, three hundred twelve thousand, seven".