1320322203243 has 24 divisors (see below), whose sum is σ = 1911122403840. Its totient is φ = 878373722160.

The previous prime is 1320322203241. The next prime is 1320322203373. The reversal of 1320322203243 is 3423022230231.

1320322203243 is a `hidden beast` number, since 13 + 2 + 0 + 322 + 2 + 0 + 324 + 3 = 666.

It is not a de Polignac number, because 1320322203243 - 2¹ = 1320322203241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320322203241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29909758 + ... + 29953868.

It is an arithmetic number, because the mean of its divisors is an integer number (79630100160).

Almost surely, 2^{1320322203243} is an apocalyptic number.

1320322203243 is a deficient number, since it is larger than the sum of its proper divisors (590800200597).

1320322203243 is a wasteful number, since it uses less digits than its factorization.

1320322203243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50999 (or 50996 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 1320322203243 its reverse (3423022230231), we get a palindrome (4743344433474).

The spelling of 1320322203243 in words is "one trillion, three hundred twenty billion, three hundred twenty-two million, two hundred three thousand, two hundred forty-three".