234204320 has 72 divisors (see below), whose sum is σ = 643665204. Its totient is φ = 80295936.

The previous prime is 234204293. The next prime is 234204323. The reversal of 234204320 is 23402432.

It can be written as a sum of positive squares in 2 ways, for example, as 222725776 + 11478544 = 14924^2 + 3388^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 234204292 and 234204301.

It is not an unprimeable number, because it can be changed into a prime (234204323) 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, 7097 + ... + 22776.

Almost surely, 2^234204320 is an apocalyptic number.

234204320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234204320 is an abundant number, since it is smaller than the sum of its proper divisors (409460884).

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

234204320 is a wasteful number, since it uses less digits than its factorization.

234204320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29902 (or 29887 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 234204320 is about 15303.7354917027. The cubic root of 234204320 is about 616.4033171435.

Adding to 234204320 its reverse (23402432), we get a palindrome (257606752).

The spelling of 234204320 in words is "two hundred thirty-four million, two hundred four thousand, three hundred twenty".