1223210323001 has 2 divisors, whose sum is σ = 1223210323002. Its totient is φ = 1223210323000.

The previous prime is 1223210322989. The next prime is 1223210323061. The reversal of 1223210323001 is 1003230123221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1221192965776 + 2017357225 = 1105076^2 + 44915^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223210323001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223210323061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611605161500 + 611605161501.

It is an arithmetic number, because the mean of its divisors is an integer number (611605161501).

Almost surely, 2^{1223210323001} is an apocalyptic number.

It is an amenable number.

1223210323001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223210323001 is an equidigital number, since it uses as much as digits as its factorization.

1223210323001 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1223210323001 its reverse (1003230123221), we get a palindrome (2226440446222).

The spelling of 1223210323001 in words is "one trillion, two hundred twenty-three billion, two hundred ten million, three hundred twenty-three thousand, one".