1323332149 has 2 divisors, whose sum is σ = 1323332150. Its totient is φ = 1323332148.

The previous prime is 1323332093. The next prime is 1323332161. The reversal of 1323332149 is 9412333231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 977000049 + 346332100 = 31257^2 + 18610^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323332149 - 2²¹ = 1321234997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1323332149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323332749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661666074 + 661666075.

It is an arithmetic number, because the mean of its divisors is an integer number (661666075).

Almost surely, 2^1323332149 is an apocalyptic number.

It is an amenable number.

1323332149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323332149 is an equidigital number, since it uses as much as digits as its factorization.

1323332149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 31.

The square root of 1323332149 is about 36377.6325370412. The cubic root of 1323332149 is about 1097.8835749141.

The spelling of 1323332149 in words is "one billion, three hundred twenty-three million, three hundred thirty-two thousand, one hundred forty-nine".