1023320113201 has 2 divisors, whose sum is σ = 1023320113202. Its totient is φ = 1023320113200.

The previous prime is 1023320113187. The next prime is 1023320113261. The reversal of 1023320113201 is 1023110233201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 830841365025 + 192478748176 = 911505^2 + 438724^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023320113201 - 2¹³ = 1023320105009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023320113261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511660056600 + 511660056601.

It is an arithmetic number, because the mean of its divisors is an integer number (511660056601).

Almost surely, 2^{1023320113201} is an apocalyptic number.

It is an amenable number.

1023320113201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023320113201 is an equidigital number, since it uses as much as digits as its factorization.

1023320113201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1023320113201 its reverse (1023110233201), we get a palindrome (2046430346402).

The spelling of 1023320113201 in words is "one trillion, twenty-three billion, three hundred twenty million, one hundred thirteen thousand, two hundred one".