1323669679 has 2 divisors, whose sum is σ = 1323669680. Its totient is φ = 1323669678.

The previous prime is 1323669673. The next prime is 1323669701. The reversal of 1323669679 is 9769663231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1323669679 - 2⁹ = 1323669167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323669673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661834839 + 661834840.

It is an arithmetic number, because the mean of its divisors is an integer number (661834840).

Almost surely, 2^1323669679 is an apocalyptic number.

1323669679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323669679 is an equidigital number, since it uses as much as digits as its factorization.

1323669679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2204496, while the sum is 52.

The square root of 1323669679 is about 36382.2714931325. The cubic root of 1323669679 is about 1097.9769092902.

The spelling of 1323669679 in words is "one billion, three hundred twenty-three million, six hundred sixty-nine thousand, six hundred seventy-nine".