1023303333161 has 2 divisors, whose sum is σ = 1023303333162. Its totient is φ = 1023303333160.

The previous prime is 1023303333149. The next prime is 1023303333179. The reversal of 1023303333161 is 1613333033201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1006372118761 + 16931214400 = 1003181^2 + 130120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023303333161 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023303333061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511651666580 + 511651666581.

It is an arithmetic number, because the mean of its divisors is an integer number (511651666581).

Almost surely, 2^{1023303333161} is an apocalyptic number.

It is an amenable number.

1023303333161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023303333161 is an equidigital number, since it uses as much as digits as its factorization.

1023303333161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 29.

Adding to 1023303333161 its reverse (1613333033201), we get a palindrome (2636636366362).

The spelling of 1023303333161 in words is "one trillion, twenty-three billion, three hundred three million, three hundred thirty-three thousand, one hundred sixty-one".