230133121 has 4 divisors (see below), whose sum is σ = 230258644. Its totient is φ = 230007600.

The previous prime is 230133109. The next prime is 230133143. The reversal of 230133121 is 121331032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7049025 + 223084096 = 2655^2 + 14936^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230133121 is a prime.

It is a super-2 number, since 2×230133121² = 105922506762401282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230133095 and 230133104.

It is not an unprimeable number, because it can be changed into a prime (230133151) 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, 59970 + ... + 63691.

It is an arithmetic number, because the mean of its divisors is an integer number (57564661).

Almost surely, 2^230133121 is an apocalyptic number.

It is an amenable number.

230133121 is a deficient number, since it is larger than the sum of its proper divisors (125523).

230133121 is a wasteful number, since it uses less digits than its factorization.

230133121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125522.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 230133121 is about 15170.1391226317. The cubic root of 230133121 is about 612.8107508803.

Adding to 230133121 its reverse (121331032), we get a palindrome (351464153).

The spelling of 230133121 in words is "two hundred thirty million, one hundred thirty-three thousand, one hundred twenty-one".