113040430243 has 4 divisors (see below), whose sum is σ = 121735847968. Its totient is φ = 104345012520.

The previous prime is 113040430211. The next prime is 113040430247. The reversal of 113040430243 is 342034040311.

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 113040430243 - 2⁵ = 113040430211 is a prime.

It is a super-3 number, since 3×113040430243³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113040430247) 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, 4347708843 + ... + 4347708868.

It is an arithmetic number, because the mean of its divisors is an integer number (30433961992).

Almost surely, 2^113040430243 is an apocalyptic number.

113040430243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

113040430243 is a deficient number, since it is larger than the sum of its proper divisors (8695417725).

113040430243 is an equidigital number, since it uses as much as digits as its factorization.

113040430243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8695417724.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 113040430243 its reverse (342034040311), we get a palindrome (455074470554).

The spelling of 113040430243 in words is "one hundred thirteen billion, forty million, four hundred thirty thousand, two hundred forty-three".