1323664423 has 2 divisors, whose sum is σ = 1323664424. Its totient is φ = 1323664422.

The previous prime is 1323664417. The next prime is 1323664427. The reversal of 1323664423 is 3244663231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1323664423 - 2¹³ = 1323656231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323664427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661832211 + 661832212.

It is an arithmetic number, because the mean of its divisors is an integer number (661832212).

Almost surely, 2^1323664423 is an apocalyptic number.

1323664423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323664423 is an equidigital number, since it uses as much as digits as its factorization.

1323664423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 34.

The square root of 1323664423 is about 36382.1992600777. The cubic root of 1323664423 is about 1097.9754560137.

The spelling of 1323664423 in words is "one billion, three hundred twenty-three million, six hundred sixty-four thousand, four hundred twenty-three".