234311240 has 32 divisors (see below), whose sum is σ = 527792760. Its totient is φ = 93619200.

The previous prime is 234311227. The next prime is 234311267. The reversal of 234311240 is 42113432.

It can be written as a sum of positive squares in 4 ways, for example, as 181225444 + 53085796 = 13462^2 + 7286^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39680 + ... + 45200.

Almost surely, 2^234311240 is an apocalyptic number.

234311240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234311240 is an abundant number, since it is smaller than the sum of its proper divisors (293481520).

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

234311240 is a wasteful number, since it uses less digits than its factorization.

234311240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6593 (or 6589 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 234311240 is about 15307.2283578707. The cubic root of 234311240 is about 616.4971039361.

Adding to 234311240 its reverse (42113432), we get a palindrome (276424672).

The spelling of 234311240 in words is "two hundred thirty-four million, three hundred eleven thousand, two hundred forty".