234023121 has 16 divisors (see below), whose sum is σ = 355158720. Its totient is φ = 152209440.

The previous prime is 234023117. The next prime is 234023129. The reversal of 234023121 is 121320432.

It is not a de Polignac number, because 234023121 - 2² = 234023117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234023094 and 234023103.

It is not an unprimeable number, because it can be changed into a prime (234023129) 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, 104595 + ... + 106808.

It is an arithmetic number, because the mean of its divisors is an integer number (22197420).

Almost surely, 2^234023121 is an apocalyptic number.

It is an amenable number.

234023121 is a deficient number, since it is larger than the sum of its proper divisors (121135599).

234023121 is a wasteful number, since it uses less digits than its factorization.

234023121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211453 (or 211447 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 234023121 is about 15297.8142556380. The cubic root of 234023121 is about 616.2443099974.

Adding to 234023121 its reverse (121320432), we get a palindrome (355343553).

The spelling of 234023121 in words is "two hundred thirty-four million, twenty-three thousand, one hundred twenty-one".