210223430 has 16 divisors (see below), whose sum is σ = 379879200. Its totient is φ = 83761152.

The previous prime is 210223423. The next prime is 210223439. The reversal of 210223430 is 34322012.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 210223399 and 210223408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210223439) 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, 38330 + ... + 43469.

It is an arithmetic number, because the mean of its divisors is an integer number (23742450).

Almost surely, 2^210223430 is an apocalyptic number.

210223430 is a deficient number, since it is larger than the sum of its proper divisors (169655770).

210223430 is a wasteful number, since it uses less digits than its factorization.

210223430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82063.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 210223430 is about 14499.0837641556. The cubic root of 210223430 is about 594.6029222233.

Adding to 210223430 its reverse (34322012), we get a palindrome (244545442).

The spelling of 210223430 in words is "two hundred ten million, two hundred twenty-three thousand, four hundred thirty".