1323140339 has 2 divisors, whose sum is σ = 1323140340. Its totient is φ = 1323140338.

The previous prime is 1323140281. The next prime is 1323140363. The reversal of 1323140339 is 9330413231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323140339 is a prime.

It is not a weakly prime, because it can be changed into another prime (1323140939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661570169 + 661570170.

It is an arithmetic number, because the mean of its divisors is an integer number (661570170).

Almost surely, 2^1323140339 is an apocalyptic number.

1323140339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323140339 is an equidigital number, since it uses as much as digits as its factorization.

1323140339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 1323140339 is about 36374.9960687283. The cubic root of 1323140339 is about 1097.8305282107.

The spelling of 1323140339 in words is "one billion, three hundred twenty-three million, one hundred forty thousand, three hundred thirty-nine".