1320323224433 has 4 divisors (see below), whose sum is σ = 1320326379120. Its totient is φ = 1320320069748.

The previous prime is 1320323224417. The next prime is 1320323224457. The reversal of 1320323224433 is 3344223230231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1320323224433 - 2⁴ = 1320323224417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1320323224433.

It is not an unprimeable number, because it can be changed into a prime (1320323224333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 832223 + ... + 1825716.

It is an arithmetic number, because the mean of its divisors is an integer number (330081594780).

Almost surely, 2^{1320323224433} is an apocalyptic number.

It is an amenable number.

1320323224433 is a deficient number, since it is larger than the sum of its proper divisors (3154687).

1320323224433 is an equidigital number, since it uses as much as digits as its factorization.

1320323224433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3154686.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 1320323224433 its reverse (3344223230231), we get a palindrome (4664546454664).

The spelling of 1320323224433 in words is "one trillion, three hundred twenty billion, three hundred twenty-three million, two hundred twenty-four thousand, four hundred thirty-three".