10221323 has 4 divisors (see below), whose sum is σ = 11681520. Its totient is φ = 8761128.

The previous prime is 10221293. The next prime is 10221347. The reversal of 10221323 is 32312201.

It is a happy number.

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 10221323 - 2⁸ = 10221067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10221298 and 10221307.

It is not an unprimeable number, because it can be changed into a prime (10221353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730088 + ... + 730101.

It is an arithmetic number, because the mean of its divisors is an integer number (2920380).

Almost surely, 2^10221323 is an apocalyptic number.

10221323 is a deficient number, since it is larger than the sum of its proper divisors (1460197).

10221323 is an equidigital number, since it uses as much as digits as its factorization.

10221323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460196.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 10221323 is about 3197.0803868530. The cubic root of 10221323 is about 217.0213050783.

Adding to 10221323 its reverse (32312201), we get a palindrome (42533524).

The spelling of 10221323 in words is "ten million, two hundred twenty-one thousand, three hundred twenty-three".