1321342212023 has 2 divisors, whose sum is σ = 1321342212024. Its totient is φ = 1321342212022.

The previous prime is 1321342212017. The next prime is 1321342212053. The reversal of 1321342212023 is 3202122431231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1321342212023 - 2⁸ = 1321342211767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1321342211983 and 1321342212001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1321342212053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660671106011 + 660671106012.

It is an arithmetic number, because the mean of its divisors is an integer number (660671106012).

Almost surely, 2^{1321342212023} is an apocalyptic number.

1321342212023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321342212023 is an equidigital number, since it uses as much as digits as its factorization.

1321342212023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1321342212023 its reverse (3202122431231), we get a palindrome (4523464643254).

The spelling of 1321342212023 in words is "one trillion, three hundred twenty-one billion, three hundred forty-two million, two hundred twelve thousand, twenty-three".