212323441 has 8 divisors (see below), whose sum is σ = 234888768. Its totient is φ = 190302000.

The previous prime is 212323439. The next prime is 212323453. The reversal of 212323441 is 144323212.

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

It is a cyclic number.

It is not a de Polignac number, because 212323441 - 2¹ = 212323439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212323541) 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, 135150 + ... + 136711.

It is an arithmetic number, because the mean of its divisors is an integer number (29361096).

Almost surely, 2^212323441 is an apocalyptic number.

It is an amenable number.

212323441 is a deficient number, since it is larger than the sum of its proper divisors (22565327).

212323441 is a wasteful number, since it uses less digits than its factorization.

212323441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271943.

The product of its digits is 1152, while the sum is 22.

The square root of 212323441 is about 14571.3225549365. The cubic root of 212323441 is about 596.5762794257.

Adding to 212323441 its reverse (144323212), we get a palindrome (356646653).

The spelling of 212323441 in words is "two hundred twelve million, three hundred twenty-three thousand, four hundred forty-one".