212430233 has 8 divisors (see below), whose sum is σ = 214652928. Its totient is φ = 210216384.

The previous prime is 212430221. The next prime is 212430269. The reversal of 212430233 is 332034212.

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 212430233 - 2⁴ = 212430217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212430833) 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, 53060 + ... + 56922.

It is an arithmetic number, because the mean of its divisors is an integer number (26831616).

Almost surely, 2^212430233 is an apocalyptic number.

It is an amenable number.

212430233 is a deficient number, since it is larger than the sum of its proper divisors (2222695).

212430233 is a wasteful number, since it uses less digits than its factorization.

212430233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4423.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 212430233 is about 14574.9865523094. The cubic root of 212430233 is about 596.6762823511.

Adding to 212430233 its reverse (332034212), we get a palindrome (544464445).

The spelling of 212430233 in words is "two hundred twelve million, four hundred thirty thousand, two hundred thirty-three".