112432321 has 4 divisors (see below), whose sum is σ = 112648644. Its totient is φ = 112216000.

The previous prime is 112432297. The next prime is 112432379. The reversal of 112432321 is 123234211.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 51279921 + 61152400 = 7161^2 + 7820^2 .

It is a cyclic number.

It is not a de Polignac number, because 112432321 - 2⁵ = 112432289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112442321) 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 3 ways as a sum of consecutive naturals, for example, 107380 + ... + 108421.

It is an arithmetic number, because the mean of its divisors is an integer number (28162161).

Almost surely, 2^112432321 is an apocalyptic number.

It is an amenable number.

112432321 is a deficient number, since it is larger than the sum of its proper divisors (216323).

112432321 is an equidigital number, since it uses as much as digits as its factorization.

112432321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216322.

The product of its digits is 288, while the sum is 19.

The square root of 112432321 is about 10603.4108191657. The cubic root of 112432321 is about 482.6478679120.

Adding to 112432321 its reverse (123234211), we get a palindrome (235666532).

The spelling of 112432321 in words is "one hundred twelve million, four hundred thirty-two thousand, three hundred twenty-one".