113719243 has 4 divisors (see below), whose sum is σ = 124057368. Its totient is φ = 103381120.

The previous prime is 113719217. The next prime is 113719259. The reversal of 113719243 is 342917311.

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-113719243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113719043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5169046 + ... + 5169067.

It is an arithmetic number, because the mean of its divisors is an integer number (31014342).

Almost surely, 2^113719243 is an apocalyptic number.

113719243 is a deficient number, since it is larger than the sum of its proper divisors (10338125).

113719243 is a wasteful number, since it uses less digits than its factorization.

113719243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10338124.

The product of its digits is 4536, while the sum is 31.

The square root of 113719243 is about 10663.9224959674. The cubic root of 113719243 is about 484.4823797065.

The spelling of 113719243 in words is "one hundred thirteen million, seven hundred nineteen thousand, two hundred forty-three".