112023521 has 12 divisors (see below), whose sum is σ = 116116416. Its totient is φ = 108062880.

The previous prime is 112023517. The next prime is 112023529. The reversal of 112023521 is 125320211.

It is a happy number.

It is not a de Polignac number, because 112023521 - 2² = 112023517 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 112023521.

It is not an unprimeable number, because it can be changed into a prime (112023529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172820 + ... + 173466.

It is an arithmetic number, because the mean of its divisors is an integer number (9676368).

Almost surely, 2^112023521 is an apocalyptic number.

It is an amenable number.

112023521 is a deficient number, since it is larger than the sum of its proper divisors (4092895).

112023521 is an equidigital number, since it uses as much as digits as its factorization.

112023521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 112023521 is about 10584.1164487169. The cubic root of 112023521 is about 482.0621938995.

Adding to 112023521 its reverse (125320211), we get a palindrome (237343732).

The spelling of 112023521 in words is "one hundred twelve million, twenty-three thousand, five hundred twenty-one".