1204112323243 has 4 divisors (see below), whose sum is σ = 1204147029640. Its totient is φ = 1204077616848.

The previous prime is 1204112323241. The next prime is 1204112323321. The reversal of 1204112323243 is 3423232114021.

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 1204112323243 - 2¹ = 1204112323241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1204112323241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17301105 + ... + 17370562.

It is an arithmetic number, because the mean of its divisors is an integer number (301036757410).

Almost surely, 2^{1204112323243} is an apocalyptic number.

1204112323243 is a deficient number, since it is larger than the sum of its proper divisors (34706397).

1204112323243 is an equidigital number, since it uses as much as digits as its factorization.

1204112323243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34706396.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1204112323243 its reverse (3423232114021), we get a palindrome (4627344437264).

The spelling of 1204112323243 in words is "one trillion, two hundred four billion, one hundred twelve million, three hundred twenty-three thousand, two hundred forty-three".