1323078929 has 2 divisors, whose sum is σ = 1323078930. Its totient is φ = 1323078928.

The previous prime is 1323078923. The next prime is 1323078931. The reversal of 1323078929 is 9298703231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 862890625 + 460188304 = 29375^2 + 21452^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323078929 is a prime.

Together with 1323078931, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1323078929.

It is not a weakly prime, because it can be changed into another prime (1323078923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661539464 + 661539465.

It is an arithmetic number, because the mean of its divisors is an integer number (661539465).

Almost surely, 2^1323078929 is an apocalyptic number.

It is an amenable number.

1323078929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323078929 is an equidigital number, since it uses as much as digits as its factorization.

1323078929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 1323078929 is about 36374.1519351311. The cubic root of 1323078929 is about 1097.8135436643.

The spelling of 1323078929 in words is "one billion, three hundred twenty-three million, seventy-eight thousand, nine hundred twenty-nine".