1323320133 has 32 divisors (see below), whose sum is σ = 1836276736. Its totient is φ = 847024128.

The previous prime is 1323320101. The next prime is 1323320147. The reversal of 1323320133 is 3310233231.

It is not a de Polignac number, because 1323320133 - 2⁵ = 1323320101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323320183) 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 in 31 ways as a sum of consecutive naturals, for example, 4777191 + ... + 4777467.

It is an arithmetic number, because the mean of its divisors is an integer number (57383648).

Almost surely, 2^1323320133 is an apocalyptic number.

It is an amenable number.

1323320133 is a deficient number, since it is larger than the sum of its proper divisors (512956603).

1323320133 is a wasteful number, since it uses less digits than its factorization.

1323320133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 1323320133 is about 36377.4673802342. The cubic root of 1323320133 is about 1097.8802519365.

Adding to 1323320133 its reverse (3310233231), we get a palindrome (4633553364).

The spelling of 1323320133 in words is "one billion, three hundred twenty-three million, three hundred twenty thousand, one hundred thirty-three".