113523505423 has 4 divisors (see below), whose sum is σ = 113533613928. Its totient is φ = 113513396920.

The previous prime is 113523505387. The next prime is 113523505457. The reversal of 113523505423 is 324505325311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324505325311 = 53 ⋅6122741987.

It is a cyclic number.

It is not a de Polignac number, because 113523505423 - 2¹³ = 113523497231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113523505463) 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, 5037388 + ... + 5059873.

It is an arithmetic number, because the mean of its divisors is an integer number (28383403482).

Almost surely, 2^113523505423 is an apocalyptic number.

113523505423 is a deficient number, since it is larger than the sum of its proper divisors (10108505).

113523505423 is a wasteful number, since it uses less digits than its factorization.

113523505423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10108504.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 113523505423 in words is "one hundred thirteen billion, five hundred twenty-three million, five hundred five thousand, four hundred twenty-three".