112523521 has 16 divisors (see below), whose sum is σ = 132231168. Its totient is φ = 94683600.

The previous prime is 112523513. The next prime is 112523531. The reversal of 112523521 is 125325211.

It is not a de Polignac number, because 112523521 - 2³ = 112523513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112523492 and 112523501.

It is not an unprimeable number, because it can be changed into a prime (112523531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670 + ... + 15016.

It is an arithmetic number, because the mean of its divisors is an integer number (8264448).

Almost surely, 2^112523521 is an apocalyptic number.

112523521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112523521 is a deficient number, since it is larger than the sum of its proper divisors (19707647).

112523521 is a wasteful number, since it uses less digits than its factorization.

112523521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14412.

The product of its digits is 600, while the sum is 22.

The square root of 112523521 is about 10607.7104504224. The cubic root of 112523521 is about 482.7783333300.

Adding to 112523521 its reverse (125325211), we get a palindrome (237848732).

The spelling of 112523521 in words is "one hundred twelve million, five hundred twenty-three thousand, five hundred twenty-one".