234320004 has 72 divisors (see below), whose sum is σ = 612917760. Its totient is φ = 75434112.

The previous prime is 234319997. The next prime is 234320017. The reversal of 234320004 is 400023432.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132792 + ... + 134544.

Almost surely, 2^234320004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234320004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306458880).

234320004 is an abundant number, since it is smaller than the sum of its proper divisors (378597756).

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

234320004 is a wasteful number, since it uses less digits than its factorization.

234320004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889 (or 1884 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 234320004 is about 15307.5146251767. The cubic root of 234320004 is about 616.5047901704.

Adding to 234320004 its reverse (400023432), we get a palindrome (634343436).

The spelling of 234320004 in words is "two hundred thirty-four million, three hundred twenty thousand, four".