210232243 has 4 divisors (see below), whose sum is σ = 226403968. Its totient is φ = 194060520.

The previous prime is 210232237. The next prime is 210232273. The reversal of 210232243 is 342232012.

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 210232243 - 2²⁵ = 176677811 is a prime.

It is a super-2 number, since 2×210232243² = 88395191993622098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210232243.

It is not an unprimeable number, because it can be changed into a prime (210232273) 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, 8085843 + ... + 8085868.

It is an arithmetic number, because the mean of its divisors is an integer number (56600992).

Almost surely, 2^210232243 is an apocalyptic number.

210232243 is a deficient number, since it is larger than the sum of its proper divisors (16171725).

210232243 is a wasteful number, since it uses less digits than its factorization.

210232243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16171724.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 210232243 is about 14499.3876767262. The cubic root of 210232243 is about 594.6112311010.

Adding to 210232243 its reverse (342232012), we get a palindrome (552464255).

The spelling of 210232243 in words is "two hundred ten million, two hundred thirty-two thousand, two hundred forty-three".