113438743 has 4 divisors (see below), whose sum is σ = 123751368. Its totient is φ = 103126120.

The previous prime is 113438729. The next prime is 113438747. The reversal of 113438743 is 347834311.

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-113438743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113438699 and 113438708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113438747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5156296 + ... + 5156317.

It is an arithmetic number, because the mean of its divisors is an integer number (30937842).

Almost surely, 2^113438743 is an apocalyptic number.

113438743 is a deficient number, since it is larger than the sum of its proper divisors (10312625).

113438743 is a wasteful number, since it uses less digits than its factorization.

113438743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10312624.

The product of its digits is 24192, while the sum is 34.

The square root of 113438743 is about 10650.7625548596. The cubic root of 113438743 is about 484.0837101642.

The spelling of 113438743 in words is "one hundred thirteen million, four hundred thirty-eight thousand, seven hundred forty-three".