212433303 has 4 divisors (see below), whose sum is σ = 283244408. Its totient is φ = 141622200.

The previous prime is 212433301. The next prime is 212433329. The reversal of 212433303 is 303334212.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 212433303 - 2¹ = 212433301 is a prime.

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 212433303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212433301) 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, 35405548 + ... + 35405553.

It is an arithmetic number, because the mean of its divisors is an integer number (70811102).

Almost surely, 2^212433303 is an apocalyptic number.

212433303 is a deficient number, since it is larger than the sum of its proper divisors (70811105).

212433303 is an equidigital number, since it uses as much as digits as its factorization.

212433303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70811104.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 212433303 is about 14575.0918693503. The cubic root of 212433303 is about 596.6791566868.

Adding to 212433303 its reverse (303334212), we get a palindrome (515767515).

Subtracting 212433303 from its reverse (303334212), we obtain a palindrome (90900909).

The spelling of 212433303 in words is "two hundred twelve million, four hundred thirty-three thousand, three hundred three".