10442321 has 4 divisors (see below), whose sum is σ = 10524672. Its totient is φ = 10359972.

The previous prime is 10442317. The next prime is 10442347. The reversal of 10442321 is 12324401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12324401 = 193 ⋅63857.

It is a cyclic number.

It is not a de Polignac number, because 10442321 - 2² = 10442317 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 10442321.

It is not an unprimeable number, because it can be changed into a prime (10445321) 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, 40985 + ... + 41238.

It is an arithmetic number, because the mean of its divisors is an integer number (2631168).

Almost surely, 2^10442321 is an apocalyptic number.

It is an amenable number.

10442321 is a deficient number, since it is larger than the sum of its proper divisors (82351).

10442321 is an equidigital number, since it uses as much as digits as its factorization.

10442321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82350.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 10442321 is about 3231.4580300539. The cubic root of 10442321 is about 218.5742581953.

Adding to 10442321 its reverse (12324401), we get a palindrome (22766722).

The spelling of 10442321 in words is "ten million, four hundred forty-two thousand, three hundred twenty-one".