113204041243 has 4 divisors (see below), whose sum is σ = 114754781608. Its totient is φ = 111653300880.

The previous prime is 113204041219. The next prime is 113204041331. The reversal of 113204041243 is 342140402311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113204041243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113204041043) 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, 775370073 + ... + 775370218.

It is an arithmetic number, because the mean of its divisors is an integer number (28688695402).

Almost surely, 2^113204041243 is an apocalyptic number.

113204041243 is a deficient number, since it is larger than the sum of its proper divisors (1550740365).

113204041243 is an equidigital number, since it uses as much as digits as its factorization.

113204041243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550740364.

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

Adding to 113204041243 its reverse (342140402311), we get a palindrome (455344443554).

The spelling of 113204041243 in words is "one hundred thirteen billion, two hundred four million, forty-one thousand, two hundred forty-three".