1323264073 has 2 divisors, whose sum is σ = 1323264074. Its totient is φ = 1323264072.

The previous prime is 1323264049. The next prime is 1323264077. The reversal of 1323264073 is 3704623231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 993006144 + 330257929 = 31512^2 + 18173^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323264073 is a prime.

It is not a weakly prime, because it can be changed into another prime (1323264077) 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, 661632036 + 661632037.

It is an arithmetic number, because the mean of its divisors is an integer number (661632037).

Almost surely, 2^1323264073 is an apocalyptic number.

It is an amenable number.

1323264073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323264073 is an equidigital number, since it uses as much as digits as its factorization.

1323264073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 1323264073 is about 36376.6968401475. The cubic root of 1323264073 is about 1097.8647484982.

The spelling of 1323264073 in words is "one billion, three hundred twenty-three million, two hundred sixty-four thousand, seventy-three".