1320223033 has 2 divisors, whose sum is σ = 1320223034. Its totient is φ = 1320223032.

The previous prime is 1320223027. The next prime is 1320223081. The reversal of 1320223033 is 3303220231.

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., 747913104 + 572309929 = 27348^2 + 23923^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320223033 - 2⁹ = 1320222521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1320223033.

It is not a weakly prime, because it can be changed into another prime (1320223733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660111516 + 660111517.

It is an arithmetic number, because the mean of its divisors is an integer number (660111517).

Almost surely, 2^1320223033 is an apocalyptic number.

It is an amenable number.

1320223033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320223033 is an equidigital number, since it uses as much as digits as its factorization.

1320223033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 1320223033 is about 36334.8735101693. The cubic root of 1320223033 is about 1097.0230894748.

Adding to 1320223033 its reverse (3303220231), we get a palindrome (4623443264).

The spelling of 1320223033 in words is "one billion, three hundred twenty million, two hundred twenty-three thousand, thirty-three".