10323203221 has 4 divisors (see below), whose sum is σ = 10323950944. Its totient is φ = 10322455500.

The previous prime is 10323203213. The next prime is 10323203227. The reversal of 10323203221 is 12230232301.

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.

It is a cyclic number.

It is not a de Polignac number, because 10323203221 - 2³ = 10323203213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10323203227) 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, 352755 + ... + 380896.

It is an arithmetic number, because the mean of its divisors is an integer number (2580987736).

Almost surely, 2^10323203221 is an apocalyptic number.

It is an amenable number.

10323203221 is a deficient number, since it is larger than the sum of its proper divisors (747723).

10323203221 is an equidigital number, since it uses as much as digits as its factorization.

10323203221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747722.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 10323203221 its reverse (12230232301), we get a palindrome (22553435522).

The spelling of 10323203221 in words is "ten billion, three hundred twenty-three million, two hundred three thousand, two hundred twenty-one".