1323630089 has 2 divisors, whose sum is σ = 1323630090. Its totient is φ = 1323630088.

The previous prime is 1323630037. The next prime is 1323630097. The reversal of 1323630089 is 9800363231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1318270864 + 5359225 = 36308^2 + 2315^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323630089 - 2²⁴ = 1306852873 is a prime.

It is a super-2 number, since 2×1323630089² = 3503993225012295842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1323633089) 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, 661815044 + 661815045.

It is an arithmetic number, because the mean of its divisors is an integer number (661815045).

Almost surely, 2^1323630089 is an apocalyptic number.

It is an amenable number.

1323630089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323630089 is an equidigital number, since it uses as much as digits as its factorization.

1323630089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 1323630089 is about 36381.7274053885. The cubic root of 1323630089 is about 1097.9659626167.

The spelling of 1323630089 in words is "one billion, three hundred twenty-three million, six hundred thirty thousand, eighty-nine".