210043221323 has 8 divisors (see below), whose sum is σ = 231013167168. Its totient is φ = 189760814784.

The previous prime is 210043221307. The next prime is 210043221347. The reversal of 210043221323 is 323122340012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210043221323 - 2⁴ = 210043221307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210043221373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171884186 + ... + 171885407.

It is an arithmetic number, because the mean of its divisors is an integer number (28876645896).

Almost surely, 2^210043221323 is an apocalyptic number.

210043221323 is a deficient number, since it is larger than the sum of its proper divisors (20969945845).

210043221323 is a wasteful number, since it uses less digits than its factorization.

210043221323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343769653.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 210043221323 its reverse (323122340012), we get a palindrome (533165561335).

The spelling of 210043221323 in words is "two hundred ten billion, forty-three million, two hundred twenty-one thousand, three hundred twenty-three".