1323220033 has 8 divisors (see below), whose sum is σ = 1369742400. Its totient is φ = 1276757328.

The previous prime is 1323220009. The next prime is 1323220039. The reversal of 1323220033 is 3300223231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1323220033 - 2²⁹ = 786349121 is a prime.

It is a super-2 number, since 2×1323220033² = 3501822511465042178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323220039) 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 in 7 ways as a sum of consecutive naturals, for example, 32860 + ... + 61042.

It is an arithmetic number, because the mean of its divisors is an integer number (171217800).

Almost surely, 2^1323220033 is an apocalyptic number.

It is an amenable number.

1323220033 is a deficient number, since it is larger than the sum of its proper divisors (46522367).

1323220033 is a wasteful number, since it uses less digits than its factorization.

1323220033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29831.

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

The square root of 1323220033 is about 36376.0915025240. The cubic root of 1323220033 is about 1097.8525688936.

Adding to 1323220033 its reverse (3300223231), we get a palindrome (4623443264).

The spelling of 1323220033 in words is "one billion, three hundred twenty-three million, two hundred twenty thousand, thirty-three".