1204112023243 has 4 divisors (see below), whose sum is σ = 1204114225048. Its totient is φ = 1204109821440.

The previous prime is 1204112023229. The next prime is 1204112023267. The reversal of 1204112023243 is 3423202114021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1204112023243 - 2³⁷ = 1066673069771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1204112023223) 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, 417355 + ... + 1606987.

It is an arithmetic number, because the mean of its divisors is an integer number (301028556262).

Almost surely, 2^{1204112023243} is an apocalyptic number.

1204112023243 is a deficient number, since it is larger than the sum of its proper divisors (2201805).

1204112023243 is a wasteful number, since it uses less digits than its factorization.

1204112023243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201804.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1204112023243 its reverse (3423202114021), we get a palindrome (4627314137264).

The spelling of 1204112023243 in words is "one trillion, two hundred four billion, one hundred twelve million, twenty-three thousand, two hundred forty-three".