113322505523 has 4 divisors (see below), whose sum is σ = 113631286560. Its totient is φ = 113013724488.

The previous prime is 113322505489. The next prime is 113322505553. The reversal of 113322505523 is 325505223311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113322505523 - 2¹⁸ = 113322243379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113322505523.

It is not an unprimeable number, because it can be changed into a prime (113322505553) 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, 154389968 + ... + 154390701.

It is an arithmetic number, because the mean of its divisors is an integer number (28407821640).

Almost surely, 2^113322505523 is an apocalyptic number.

113322505523 is a deficient number, since it is larger than the sum of its proper divisors (308781037).

113322505523 is an equidigital number, since it uses as much as digits as its factorization.

113322505523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308781036.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 113322505523 its reverse (325505223311), we get a palindrome (438827728834).

The spelling of 113322505523 in words is "one hundred thirteen billion, three hundred twenty-two million, five hundred five thousand, five hundred twenty-three".