1320323144433 has 16 divisors (see below), whose sum is σ = 1810524798720. Its totient is φ = 855234637056.

The previous prime is 1320323144431. The next prime is 1320323144453. The reversal of 1320323144433 is 3344413230231.

It is a happy number.

It is not a de Polignac number, because 1320323144433 - 2¹ = 1320323144431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320323144394 and 1320323144403.

It is not an unprimeable number, because it can be changed into a prime (1320323144431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8191960 + ... + 8351577.

It is an arithmetic number, because the mean of its divisors is an integer number (113157799920).

Almost surely, 2^{1320323144433} is an apocalyptic number.

It is an amenable number.

1320323144433 is a deficient number, since it is larger than the sum of its proper divisors (490201654287).

1320323144433 is a wasteful number, since it uses less digits than its factorization.

1320323144433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16544296.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 1320323144433 its reverse (3344413230231), we get a palindrome (4664736374664).

The spelling of 1320323144433 in words is "one trillion, three hundred twenty billion, three hundred twenty-three million, one hundred forty-four thousand, four hundred thirty-three".