113108243 has 4 divisors (see below), whose sum is σ = 116756928. Its totient is φ = 109459560.

The previous prime is 113108221. The next prime is 113108249. The reversal of 113108243 is 342801311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342801311 = 17 ⋅20164783.

It is a cyclic number.

It is not a de Polignac number, because 113108243 - 2¹⁸ = 112846099 is a prime.

It is a super-3 number, since 3×113108243³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113108249) 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, 1824296 + ... + 1824357.

It is an arithmetic number, because the mean of its divisors is an integer number (29189232).

Almost surely, 2^113108243 is an apocalyptic number.

113108243 is a deficient number, since it is larger than the sum of its proper divisors (3648685).

113108243 is an equidigital number, since it uses as much as digits as its factorization.

113108243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3648684.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 113108243 is about 10635.2359165183. The cubic root of 113108243 is about 483.6131322740.

Adding to 113108243 its reverse (342801311), we get a palindrome (455909554).

The spelling of 113108243 in words is "one hundred thirteen million, one hundred eight thousand, two hundred forty-three".