113523163 has 4 divisors (see below), whose sum is σ = 122255728. Its totient is φ = 104790600.

The previous prime is 113523133. The next prime is 113523199. The reversal of 113523163 is 361325311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361325311 = 83 ⋅4353317.

It is a cyclic number.

It is not a de Polignac number, because 113523163 - 2¹³ = 113514971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113523133) 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, 4366263 + ... + 4366288.

It is an arithmetic number, because the mean of its divisors is an integer number (30563932).

Almost surely, 2^113523163 is an apocalyptic number.

113523163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

113523163 is a deficient number, since it is larger than the sum of its proper divisors (8732565).

113523163 is an equidigital number, since it uses as much as digits as its factorization.

113523163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8732564.

The product of its digits is 1620, while the sum is 25.

The square root of 113523163 is about 10654.7249143279. The cubic root of 113523163 is about 484.2037638380.

Adding to 113523163 its reverse (361325311), we get a palindrome (474848474).

The spelling of 113523163 in words is "one hundred thirteen million, five hundred twenty-three thousand, one hundred sixty-three".