234443121 has 16 divisors (see below), whose sum is σ = 341806080. Its totient is φ = 141754320.

The previous prime is 234443093. The next prime is 234443123. The reversal of 234443121 is 121344432.

It is not a de Polignac number, because 234443121 - 2⁶ = 234443057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234443091 and 234443100.

It is not an unprimeable number, because it can be changed into a prime (234443123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6396 + ... + 22578.

It is an arithmetic number, because the mean of its divisors is an integer number (21362880).

Almost surely, 2^234443121 is an apocalyptic number.

It is an amenable number.

234443121 is a deficient number, since it is larger than the sum of its proper divisors (107362959).

234443121 is a wasteful number, since it uses less digits than its factorization.

234443121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16636.

The product of its digits is 2304, while the sum is 24.

The square root of 234443121 is about 15311.5355533010. The cubic root of 234443121 is about 616.6127464258.

Adding to 234443121 its reverse (121344432), we get a palindrome (355787553).

It can be divided in two parts, 23444 and 3121, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 234443121 in words is "two hundred thirty-four million, four hundred forty-three thousand, one hundred twenty-one".