234564321 has 32 divisors (see below), whose sum is σ = 333398016. Its totient is φ = 146448000.

The previous prime is 234564313. The next prime is 234564347. The reversal of 234564321 is 123465432.

It is not a de Polignac number, because 234564321 - 2³ = 234564313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234564311) 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 31 ways as a sum of consecutive naturals, for example, 865416 + ... + 865686.

It is an arithmetic number, because the mean of its divisors is an integer number (10418688).

Almost surely, 2^234564321 is an apocalyptic number.

It is an amenable number.

234564321 is a deficient number, since it is larger than the sum of its proper divisors (98833695).

234564321 is a wasteful number, since it uses less digits than its factorization.

234564321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573.

The product of its digits is 17280, while the sum is 30.

The square root of 234564321 is about 15315.4928422170. The cubic root of 234564321 is about 616.7189848315.

It can be divided in two parts, 2345 and 64321, that added together give a palindrome (66666).

The spelling of 234564321 in words is "two hundred thirty-four million, five hundred sixty-four thousand, three hundred twenty-one".