230421213 has 64 divisors (see below), whose sum is σ = 403107840. Its totient is φ = 128505600.

The previous prime is 230421209. The next prime is 230421223. The reversal of 230421213 is 312124032.

230421213 is a `hidden beast` number, since 2 + 30 + 421 + 213 = 666.

It is not a de Polignac number, because 230421213 - 2² = 230421209 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230421203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 236818 + ... + 237788.

It is an arithmetic number, because the mean of its divisors is an integer number (6298560).

Almost surely, 2^230421213 is an apocalyptic number.

It is an amenable number.

230421213 is a deficient number, since it is larger than the sum of its proper divisors (172686627).

230421213 is a wasteful number, since it uses less digits than its factorization.

230421213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 230421213 is about 15179.6315172668. The cubic root of 230421213 is about 613.0663598305.

Adding to 230421213 its reverse (312124032), we get a palindrome (542545245).

The spelling of 230421213 in words is "two hundred thirty million, four hundred twenty-one thousand, two hundred thirteen".