233424321 has 12 divisors (see below), whose sum is σ = 337015728. Its totient is φ = 143645424.

The previous prime is 233424319. The next prime is 233424353. The reversal of 233424321 is 123424332.

It is not a de Polignac number, because 233424321 - 2¹ = 233424319 is a prime.

It is a super-2 number, since 2×233424321² = 108973827268622082, which contains 22 as substring.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 233424291 and 233424300.

It is not an unprimeable number, because it can be changed into a prime (233424311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229695 + ... + 230708.

It is an arithmetic number, because the mean of its divisors is an integer number (28084644).

Almost surely, 2^233424321 is an apocalyptic number.

It is an amenable number.

233424321 is a deficient number, since it is larger than the sum of its proper divisors (103591407).

233424321 is a wasteful number, since it uses less digits than its factorization.

233424321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460432 (or 460419 counting only the distinct ones).

The product of its digits is 3456, while the sum is 24.

The square root of 233424321 is about 15278.2302967327. The cubic root of 233424321 is about 615.7182618756.

Adding to 233424321 its reverse (123424332), we get a palindrome (356848653).

The spelling of 233424321 in words is "two hundred thirty-three million, four hundred twenty-four thousand, three hundred twenty-one".