213232333 has 4 divisors (see below), whose sum is σ = 222503328. Its totient is φ = 203961340.

The previous prime is 213232319. The next prime is 213232337. The reversal of 213232333 is 333232312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213232333 - 2⁵ = 213232301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213232337) 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, 4635463 + ... + 4635508.

It is an arithmetic number, because the mean of its divisors is an integer number (55625832).

Almost surely, 2^213232333 is an apocalyptic number.

213232333 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

213232333 is a deficient number, since it is larger than the sum of its proper divisors (9270995).

213232333 is an equidigital number, since it uses as much as digits as its factorization.

213232333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9270994.

The product of its digits is 1944, while the sum is 22.

The square root of 213232333 is about 14602.4769474223. The cubic root of 213232333 is about 597.4263214531.

Adding to 213232333 its reverse (333232312), we get a palindrome (546464645).

The spelling of 213232333 in words is "two hundred thirteen million, two hundred thirty-two thousand, three hundred thirty-three".