1200323321023 has 2 divisors, whose sum is σ = 1200323321024. Its totient is φ = 1200323321022.

The previous prime is 1200323320927. The next prime is 1200323321039. The reversal of 1200323321023 is 3201233230021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200323321023 - 2¹³ = 1200323312831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200323320985 and 1200323321003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200323361023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600161660511 + 600161660512.

It is an arithmetic number, because the mean of its divisors is an integer number (600161660512).

Almost surely, 2^{1200323321023} is an apocalyptic number.

1200323321023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200323321023 is an equidigital number, since it uses as much as digits as its factorization.

1200323321023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1200323321023 its reverse (3201233230021), we get a palindrome (4401556551044).

The spelling of 1200323321023 in words is "one trillion, two hundred billion, three hundred twenty-three million, three hundred twenty-one thousand, twenty-three".