230321212 has 12 divisors (see below), whose sum is σ = 439704216. Its totient is φ = 104691440.

The previous prime is 230321183. The next prime is 230321213. The reversal of 230321212 is 212123032.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230321213) 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, 2617243 + ... + 2617330.

It is an arithmetic number, because the mean of its divisors is an integer number (36642018).

Almost surely, 2^230321212 is an apocalyptic number.

230321212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

230321212 is a deficient number, since it is larger than the sum of its proper divisors (209383004).

230321212 is a wasteful number, since it uses less digits than its factorization.

230321212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5234588 (or 5234586 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 230321212 is about 15176.3372392682. The cubic root of 230321212 is about 612.9776583327.

Adding to 230321212 its reverse (212123032), we get a palindrome (442444244).

The spelling of 230321212 in words is "two hundred thirty million, three hundred twenty-one thousand, two hundred twelve".