232133121 has 40 divisors (see below), whose sum is σ = 384582528. Its totient is φ = 138348000.

The previous prime is 232133119. The next prime is 232133129. The reversal of 232133121 is 121331232.

It is not a de Polignac number, because 232133121 - 2¹ = 232133119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 232133094 and 232133103.

It is not an unprimeable number, because it can be changed into a prime (232133129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 52216 + ... + 56486.

Almost surely, 2^232133121 is an apocalyptic number.

It is an amenable number.

232133121 is a deficient number, since it is larger than the sum of its proper divisors (152449407).

232133121 is a wasteful number, since it uses less digits than its factorization.

232133121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4355 (or 4346 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 232133121 is about 15235.9154959589. The cubic root of 232133121 is about 614.5808684956.

Adding to 232133121 its reverse (121331232), we get a palindrome (353464353).

It can be divided in two parts, 2 and 32133121, that added together give a palindrome (32133123).

The spelling of 232133121 in words is "two hundred thirty-two million, one hundred thirty-three thousand, one hundred twenty-one".