1328067623 has 2 divisors, whose sum is σ = 1328067624. Its totient is φ = 1328067622.

The previous prime is 1328067583. The next prime is 1328067641. The reversal of 1328067623 is 3267608231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1328067623 is a prime.

It is a super-2 number, since 2×1328067623² = 3527527222521740258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1328063623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664033811 + 664033812.

It is an arithmetic number, because the mean of its divisors is an integer number (664033812).

Almost surely, 2^1328067623 is an apocalyptic number.

1328067623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1328067623 is an equidigital number, since it uses as much as digits as its factorization.

1328067623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 1328067623 is about 36442.6621283352. The cubic root of 1328067623 is about 1099.1915886730.

The spelling of 1328067623 in words is "one billion, three hundred twenty-eight million, sixty-seven thousand, six hundred twenty-three".