113143421443 has 16 divisors (see below), whose sum is σ = 129554087040. Its totient is φ = 97885218816.

The previous prime is 113143421401. The next prime is 113143421449. The reversal of 113143421443 is 344124341311.

It is not a de Polignac number, because 113143421443 - 2²¹ = 113141324291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113143421449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1018230 + ... + 1123867.

It is an arithmetic number, because the mean of its divisors is an integer number (8097130440).

Almost surely, 2^113143421443 is an apocalyptic number.

113143421443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

113143421443 is a deficient number, since it is larger than the sum of its proper divisors (16410665597).

113143421443 is a wasteful number, since it uses less digits than its factorization.

113143421443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142366.

The product of its digits is 13824, while the sum is 31.

Adding to 113143421443 its reverse (344124341311), we get a palindrome (457267762754).

The spelling of 113143421443 in words is "one hundred thirteen billion, one hundred forty-three million, four hundred twenty-one thousand, four hundred forty-three".