1021323411023 has 2 divisors, whose sum is σ = 1021323411024. Its totient is φ = 1021323411022.

The previous prime is 1021323411001. The next prime is 1021323411029. The reversal of 1021323411023 is 3201143231201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1021323411023 - 2⁶ = 1021323410959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1021323411023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021323411029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510661705511 + 510661705512.

It is an arithmetic number, because the mean of its divisors is an integer number (510661705512).

Almost surely, 2^{1021323411023} is an apocalyptic number.

1021323411023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021323411023 is an equidigital number, since it uses as much as digits as its factorization.

1021323411023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1021323411023 its reverse (3201143231201), we get a palindrome (4222466642224).

The spelling of 1021323411023 in words is "one trillion, twenty-one billion, three hundred twenty-three million, four hundred eleven thousand, twenty-three".