1320031123043 has 16 divisors (see below), whose sum is σ = 1357461546336. Its totient is φ = 1282694181120.

The previous prime is 1320031122961. The next prime is 1320031123057. The reversal of 1320031123043 is 3403211300231.

It is a cyclic number.

It is not a de Polignac number, because 1320031123043 - 2¹² = 1320031118947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320031123093) 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, 102377105 + ... + 102389997.

It is an arithmetic number, because the mean of its divisors is an integer number (84841346646).

Almost surely, 2^{1320031123043} is an apocalyptic number.

1320031123043 is a deficient number, since it is larger than the sum of its proper divisors (37430423293).

1320031123043 is a wasteful number, since it uses less digits than its factorization.

1320031123043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16294.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1320031123043 its reverse (3403211300231), we get a palindrome (4723242423274).

The spelling of 1320031123043 in words is "one trillion, three hundred twenty billion, thirty-one million, one hundred twenty-three thousand, forty-three".