1320004424423 has 2 divisors, whose sum is σ = 1320004424424. Its totient is φ = 1320004424422.

The previous prime is 1320004424369. The next prime is 1320004424429. The reversal of 1320004424423 is 3244244000231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1320004424423 - 2²⁶ = 1319937315559 is a prime.

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 (1320004424429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660002212211 + 660002212212.

It is an arithmetic number, because the mean of its divisors is an integer number (660002212212).

Almost surely, 2^{1320004424423} is an apocalyptic number.

1320004424423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320004424423 is an equidigital number, since it uses as much as digits as its factorization.

1320004424423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 1320004424423 its reverse (3244244000231), we get a palindrome (4564248424654).

The spelling of 1320004424423 in words is "one trillion, three hundred twenty billion, four million, four hundred twenty-four thousand, four hundred twenty-three".