1320203322983 has 4 divisors (see below), whose sum is σ = 1397862342000. Its totient is φ = 1242544303968.

The previous prime is 1320203322979. The next prime is 1320203323001. The reversal of 1320203322983 is 3892233020231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1320203322983 - 2² = 1320203322979 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 (1320203322943) 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, 38829509483 + ... + 38829509516.

It is an arithmetic number, because the mean of its divisors is an integer number (349465585500).

Almost surely, 2^{1320203322983} is an apocalyptic number.

1320203322983 is a deficient number, since it is larger than the sum of its proper divisors (77659019017).

1320203322983 is an equidigital number, since it uses as much as digits as its factorization.

1320203322983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77659019016.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 1320203322983 in words is "one trillion, three hundred twenty billion, two hundred three million, three hundred twenty-two thousand, nine hundred eighty-three".