230121233 has 16 divisors (see below), whose sum is σ = 249177600. Its totient is φ = 211960320.

The previous prime is 230121211. The next prime is 230121257. The reversal of 230121233 is 332121032.

It is a cyclic number.

It is not a de Polignac number, because 230121233 - 2⁶ = 230121169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230121263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72953 + ... + 76041.

It is an arithmetic number, because the mean of its divisors is an integer number (15573600).

Almost surely, 2^230121233 is an apocalyptic number.

230121233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

230121233 is a deficient number, since it is larger than the sum of its proper divisors (19056367).

230121233 is a wasteful number, since it uses less digits than its factorization.

230121233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 230121233 is about 15169.7472951925. The cubic root of 230121233 is about 612.8001986984.

Adding to 230121233 its reverse (332121032), we get a palindrome (562242265).

The spelling of 230121233 in words is "two hundred thirty million, one hundred twenty-one thousand, two hundred thirty-three".