210030312223 has 2 divisors, whose sum is σ = 210030312224. Its totient is φ = 210030312222.

The previous prime is 210030312197. The next prime is 210030312227. The reversal of 210030312223 is 322213030012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210030312223 is a prime.

It is a super-2 number, since 2×210030312223² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210030312223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210030312227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105015156111 + 105015156112.

It is an arithmetic number, because the mean of its divisors is an integer number (105015156112).

Almost surely, 2^210030312223 is an apocalyptic number.

210030312223 is a deficient number, since it is larger than the sum of its proper divisors (1).

210030312223 is an equidigital number, since it uses as much as digits as its factorization.

210030312223 is an evil number, because the sum of its binary digits is even.

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

Adding to 210030312223 its reverse (322213030012), we get a palindrome (532243342235).

The spelling of 210030312223 in words is "two hundred ten billion, thirty million, three hundred twelve thousand, two hundred twenty-three".