113224523 has 4 divisors (see below), whose sum is σ = 113528448. Its totient is φ = 112920600.

The previous prime is 113224519. The next prime is 113224537. The reversal of 113224523 is 325422311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325422311 = 29 ⋅11221459.

It is a cyclic number.

It is not a de Polignac number, because 113224523 - 2² = 113224519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113224543) 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, 151403 + ... + 152148.

It is an arithmetic number, because the mean of its divisors is an integer number (28382112).

Almost surely, 2^113224523 is an apocalyptic number.

113224523 is a deficient number, since it is larger than the sum of its proper divisors (303925).

113224523 is an equidigital number, since it uses as much as digits as its factorization.

113224523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303924.

The product of its digits is 1440, while the sum is 23.

The square root of 113224523 is about 10640.7012456887. The cubic root of 113224523 is about 483.7788003516.

Adding to 113224523 its reverse (325422311), we get a palindrome (438646834).

The spelling of 113224523 in words is "one hundred thirteen million, two hundred twenty-four thousand, five hundred twenty-three".