1323233099989 has 2 divisors, whose sum is σ = 1323233099990. Its totient is φ = 1323233099988.

The previous prime is 1323233099963. The next prime is 1323233100017. The reversal of 1323233099989 is 9899903323231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1315758114225 + 7474985764 = 1147065^2 + 86458^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323233099989 - 2¹¹ = 1323233097941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323233099389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661616549994 + 661616549995.

It is an arithmetic number, because the mean of its divisors is an integer number (661616549995).

Almost surely, 2^{1323233099989} is an apocalyptic number.

It is an amenable number.

1323233099989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323233099989 is an equidigital number, since it uses as much as digits as its factorization.

1323233099989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17006112, while the sum is 61.

The spelling of 1323233099989 in words is "one trillion, three hundred twenty-three billion, two hundred thirty-three million, ninety-nine thousand, nine hundred eighty-nine".