1021301220323 has 2 divisors, whose sum is σ = 1021301220324. Its totient is φ = 1021301220322.

The previous prime is 1021301220319. The next prime is 1021301220337. The reversal of 1021301220323 is 3230221031201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1021301220323 - 2² = 1021301220319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1021301220295 and 1021301220304.

It is not a weakly prime, because it can be changed into another prime (1021301220343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510650610161 + 510650610162.

It is an arithmetic number, because the mean of its divisors is an integer number (510650610162).

Almost surely, 2^{1021301220323} is an apocalyptic number.

1021301220323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021301220323 is an equidigital number, since it uses as much as digits as its factorization.

1021301220323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1021301220323 its reverse (3230221031201), we get a palindrome (4251522251524).

The spelling of 1021301220323 in words is "one trillion, twenty-one billion, three hundred one million, two hundred twenty thousand, three hundred twenty-three".