113042423 has 4 divisors (see below), whose sum is σ = 121738008. Its totient is φ = 104346840.

The previous prime is 113042411. The next prime is 113042441. The reversal of 113042423 is 324240311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324240311 = 5099 ⋅63589.

It is not a de Polignac number, because 113042423 - 2⁶ = 113042359 is a prime.

It is a super-3 number, since 3×113042423³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113042395 and 113042404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113042023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4347773 + ... + 4347798.

It is an arithmetic number, because the mean of its divisors is an integer number (30434502).

Almost surely, 2^113042423 is an apocalyptic number.

113042423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

113042423 is a deficient number, since it is larger than the sum of its proper divisors (8695585).

113042423 is an equidigital number, since it uses as much as digits as its factorization.

113042423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8695584.

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

The square root of 113042423 is about 10632.1410355582. The cubic root of 113042423 is about 483.5193059475.

Adding to 113042423 its reverse (324240311), we get a palindrome (437282734).

The spelling of 113042423 in words is "one hundred thirteen million, forty-two thousand, four hundred twenty-three".