234543320 has 32 divisors (see below), whose sum is σ = 575698320. Its totient is φ = 85288320.

The previous prime is 234543319. The next prime is 234543341. The reversal of 234543320 is 23345432.

It is a self number, because there is not a number n which added to its sum of digits gives 234543320.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 266087 + ... + 266966.

Almost surely, 2^234543320 is an apocalyptic number.

234543320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234543320 is an abundant number, since it is smaller than the sum of its proper divisors (341155000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234543320 is a wasteful number, since it uses less digits than its factorization.

234543320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533075 (or 533071 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 234543320 is about 15314.8072139351. The cubic root of 234543320 is about 616.7005789320.

Adding to 234543320 its reverse (23345432), we get a palindrome (257888752).

The spelling of 234543320 in words is "two hundred thirty-four million, five hundred forty-three thousand, three hundred twenty".