234323240 has 64 divisors (see below), whose sum is σ = 560163600. Its totient is φ = 87912448.

The previous prime is 234323233. The next prime is 234323263. The reversal of 234323240 is 42323432.

It can be written as a sum of positive squares in 8 ways, for example, as 226382116 + 7941124 = 15046^2 + 2818^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345782 + ... + 346458.

Almost surely, 2^234323240 is an apocalyptic number.

234323240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234323240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280081800).

234323240 is an abundant number, since it is smaller than the sum of its proper divisors (325840360).

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

234323240 is a wasteful number, since it uses less digits than its factorization.

234323240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214 (or 1210 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 234323240 is about 15307.6203245312. The cubic root of 234323240 is about 616.5076281702.

Adding to 234323240 its reverse (42323432), we get a palindrome (276646672).

The spelling of 234323240 in words is "two hundred thirty-four million, three hundred twenty-three thousand, two hundred forty".