1323050639 has 2 divisors, whose sum is σ = 1323050640. Its totient is φ = 1323050638.

The previous prime is 1323050623. The next prime is 1323050681. The reversal of 1323050639 is 9360503231.

It is a weak prime.

It is an emirp because it is prime and its reverse (9360503231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1323050639 - 2⁴ = 1323050623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323050539) 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, 661525319 + 661525320.

It is an arithmetic number, because the mean of its divisors is an integer number (661525320).

Almost surely, 2^1323050639 is an apocalyptic number.

1323050639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323050639 is an equidigital number, since it uses as much as digits as its factorization.

1323050639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 32.

The square root of 1323050639 is about 36373.7630580065. The cubic root of 1323050639 is about 1097.8057191458.

The spelling of 1323050639 in words is "one billion, three hundred twenty-three million, fifty thousand, six hundred thirty-nine".