113244440143 has 4 divisors (see below), whose sum is σ = 113340329928. Its totient is φ = 113148550360.

The previous prime is 113244440123. The next prime is 113244440147. The reversal of 113244440143 is 341044442311.

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-113244440143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113244440147) 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, 47943121 + ... + 47945482.

It is an arithmetic number, because the mean of its divisors is an integer number (28335082482).

Almost surely, 2^113244440143 is an apocalyptic number.

113244440143 is a deficient number, since it is larger than the sum of its proper divisors (95889785).

113244440143 is an equidigital number, since it uses as much as digits as its factorization.

113244440143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95889784.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 113244440143 its reverse (341044442311), we get a palindrome (454288882454).

The spelling of 113244440143 in words is "one hundred thirteen billion, two hundred forty-four million, four hundred forty thousand, one hundred forty-three".