212245323 has 8 divisors (see below), whose sum is σ = 299640528. Its totient is φ = 133173504.

The previous prime is 212245309. The next prime is 212245343. The reversal of 212245323 is 323542212.

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

It is not a de Polignac number, because 212245323 - 2⁶ = 212245259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212245293 and 212245302.

It is not an unprimeable number, because it can be changed into a prime (212245343) 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, 2080786 + ... + 2080887.

It is an arithmetic number, because the mean of its divisors is an integer number (37455066).

Almost surely, 2^212245323 is an apocalyptic number.

212245323 is a deficient number, since it is larger than the sum of its proper divisors (87395205).

212245323 is a wasteful number, since it uses less digits than its factorization.

212245323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161693.

The product of its digits is 2880, while the sum is 24.

The square root of 212245323 is about 14568.6417692247. The cubic root of 212245323 is about 596.5031063740.

Adding to 212245323 its reverse (323542212), we get a palindrome (535787535).

The spelling of 212245323 in words is "two hundred twelve million, two hundred forty-five thousand, three hundred twenty-three".