1320433431423 has 8 divisors (see below), whose sum is σ = 1762237269936. Its totient is φ = 879459273600.

The previous prime is 1320433431419. The next prime is 1320433431433. The reversal of 1320433431423 is 3241343340231.

It is a happy number.

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

It is not a de Polignac number, because 1320433431423 - 2² = 1320433431419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320433431403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207416458 + ... + 207422823.

It is an arithmetic number, because the mean of its divisors is an integer number (220279658742).

Almost surely, 2^{1320433431423} is an apocalyptic number.

1320433431423 is a deficient number, since it is larger than the sum of its proper divisors (441803838513).

1320433431423 is a wasteful number, since it uses less digits than its factorization.

1320433431423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414840345.

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

Adding to 1320433431423 its reverse (3241343340231), we get a palindrome (4561776771654).

The spelling of 1320433431423 in words is "one trillion, three hundred twenty billion, four hundred thirty-three million, four hundred thirty-one thousand, four hundred twenty-three".