113302523 has 4 divisors (see below), whose sum is σ = 113390520. Its totient is φ = 113214528.

The previous prime is 113302517. The next prime is 113302583. The reversal of 113302523 is 325203311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325203311 = 1427 ⋅227893.

It is a cyclic number.

It is not a de Polignac number, because 113302523 - 2⁶ = 113302459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113302495 and 113302504.

It is not an unprimeable number, because it can be changed into a prime (113302583) 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, 42038 + ... + 44651.

It is an arithmetic number, because the mean of its divisors is an integer number (28347630).

Almost surely, 2^113302523 is an apocalyptic number.

113302523 is a deficient number, since it is larger than the sum of its proper divisors (87997).

113302523 is an equidigital number, since it uses as much as digits as its factorization.

113302523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87996.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 113302523 is about 10644.3657866498. The cubic root of 113302523 is about 483.8898660573.

Adding to 113302523 its reverse (325203311), we get a palindrome (438505834).

The spelling of 113302523 in words is "one hundred thirteen million, three hundred two thousand, five hundred twenty-three".