234432121 has 12 divisors (see below), whose sum is σ = 297498960. Its totient is φ = 182673960.

The previous prime is 234432113. The next prime is 234432161. The reversal of 234432121 is 121234432.

It is not a de Polignac number, because 234432121 - 2³ = 234432113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234432092 and 234432101.

It is not an unprimeable number, because it can be changed into a prime (234432161) 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 11 ways as a sum of consecutive naturals, for example, 216931 + ... + 218008.

It is an arithmetic number, because the mean of its divisors is an integer number (24791580).

Almost surely, 2^234432121 is an apocalyptic number.

It is an amenable number.

234432121 is a deficient number, since it is larger than the sum of its proper divisors (63066839).

234432121 is a wasteful number, since it uses less digits than its factorization.

234432121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434964 (or 434957 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 234432121 is about 15311.1763427896. The cubic root of 234432121 is about 616.6031025140.

Adding to 234432121 its reverse (121234432), we get a palindrome (355666553).

The spelling of 234432121 in words is "two hundred thirty-four million, four hundred thirty-two thousand, one hundred twenty-one".