1321333042223 has 2 divisors, whose sum is σ = 1321333042224. Its totient is φ = 1321333042222.

The previous prime is 1321333042153. The next prime is 1321333042273. The reversal of 1321333042223 is 3222403331231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1321333042223 - 2¹⁰ = 1321333041199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1321333042273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660666521111 + 660666521112.

It is an arithmetic number, because the mean of its divisors is an integer number (660666521112).

Almost surely, 2^{1321333042223} is an apocalyptic number.

1321333042223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321333042223 is an equidigital number, since it uses as much as digits as its factorization.

1321333042223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 1321333042223 its reverse (3222403331231), we get a palindrome (4543736373454).

The spelling of 1321333042223 in words is "one trillion, three hundred twenty-one billion, three hundred thirty-three million, forty-two thousand, two hundred twenty-three".