230121231 has 16 divisors (see below), whose sum is σ = 325774944. Its totient is φ = 143990784.

The previous prime is 230121211. The next prime is 230121257. The reversal of 230121231 is 132121032.

It is not a de Polignac number, because 230121231 - 2¹⁰ = 230120207 is a prime.

It is a super-2 number, since 2×230121231² = 105911561913910722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 230121231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230121211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12975 + ... + 25071.

It is an arithmetic number, because the mean of its divisors is an integer number (20360934).

Almost surely, 2^230121231 is an apocalyptic number.

230121231 is a deficient number, since it is larger than the sum of its proper divisors (95653713).

230121231 is a wasteful number, since it uses less digits than its factorization.

230121231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12490.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 230121231 is about 15169.7472292718. The cubic root of 230121231 is about 612.8001969231.

Adding to 230121231 its reverse (132121032), we get a palindrome (362242263).

It can be divided in two parts, 2301 and 21231, that added together give a palindrome (23532).

The spelling of 230121231 in words is "two hundred thirty million, one hundred twenty-one thousand, two hundred thirty-one".