113440223245 has 4 divisors (see below), whose sum is σ = 136128267900. Its totient is φ = 90752178592.

The previous prime is 113440223203. The next prime is 113440223249. The reversal of 113440223245 is 542322044311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542322044311 = 1439 ⋅376874249.

It can be written as a sum of positive squares in 2 ways, for example, as 76469393961 + 36970829284 = 276531^2 + 192278^2 .

It is a cyclic number.

It is not a de Polignac number, because 113440223245 - 2²⁹ = 112903352333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113440223249) 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, 11344022320 + ... + 11344022329.

It is an arithmetic number, because the mean of its divisors is an integer number (34032066975).

Almost surely, 2^113440223245 is an apocalyptic number.

It is an amenable number.

113440223245 is a deficient number, since it is larger than the sum of its proper divisors (22688044655).

113440223245 is an equidigital number, since it uses as much as digits as its factorization.

113440223245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22688044654.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 113440223245 its reverse (542322044311), we get a palindrome (655762267556).

The spelling of 113440223245 in words is "one hundred thirteen billion, four hundred forty million, two hundred twenty-three thousand, two hundred forty-five".