113204243 has 4 divisors (see below), whose sum is σ = 113740968. Its totient is φ = 112667520.

The previous prime is 113204233. The next prime is 113204269. The reversal of 113204243 is 342402311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113204243 - 2¹² = 113200147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113204233) 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, 268046 + ... + 268467.

It is an arithmetic number, because the mean of its divisors is an integer number (28435242).

Almost surely, 2^113204243 is an apocalyptic number.

113204243 is a deficient number, since it is larger than the sum of its proper divisors (536725).

113204243 is an equidigital number, since it uses as much as digits as its factorization.

113204243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536724.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 113204243 is about 10639.7482583001. The cubic root of 113204243 is about 483.7499149134.

Adding to 113204243 its reverse (342402311), we get a palindrome (455606554).

The spelling of 113204243 in words is "one hundred thirteen million, two hundred four thousand, two hundred forty-three".