1320042042223 has 2 divisors, whose sum is σ = 1320042042224. Its totient is φ = 1320042042222.

The previous prime is 1320042042167. The next prime is 1320042042257. The reversal of 1320042042223 is 3222402400231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320042042223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320042042323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660021021111 + 660021021112.

It is an arithmetic number, because the mean of its divisors is an integer number (660021021112).

Almost surely, 2^{1320042042223} is an apocalyptic number.

1320042042223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320042042223 is an equidigital number, since it uses as much as digits as its factorization.

1320042042223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 1320042042223 its reverse (3222402400231), we get a palindrome (4542444442454).

The spelling of 1320042042223 in words is "one trillion, three hundred twenty billion, forty-two million, forty-two thousand, two hundred twenty-three".