210300021223 has 4 divisors (see below), whose sum is σ = 210302524368. Its totient is φ = 210297518080.

The previous prime is 210300021221. The next prime is 210300021271. The reversal of 210300021223 is 322120003012.

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 210300021223 - 2¹ = 210300021221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210300021197 and 210300021206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210300021221) 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, 1121011 + ... + 1295092.

It is an arithmetic number, because the mean of its divisors is an integer number (52575631092).

Almost surely, 2^210300021223 is an apocalyptic number.

210300021223 is a deficient number, since it is larger than the sum of its proper divisors (2503145).

210300021223 is an equidigital number, since it uses as much as digits as its factorization.

210300021223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503144.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 210300021223 its reverse (322120003012), we get a palindrome (532420024235).

The spelling of 210300021223 in words is "two hundred ten billion, three hundred million, twenty-one thousand, two hundred twenty-three".