234231240 has 96 divisors (see below), whose sum is σ = 741761280. Its totient is φ = 59163264.

The previous prime is 234231211. The next prime is 234231247. The reversal of 234231240 is 42132432.

It is not an unprimeable number, because it can be changed into a prime (234231247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40617 + ... + 46023.

It is an arithmetic number, because the mean of its divisors is an integer number (7726680).

Almost surely, 2^234231240 is an apocalyptic number.

234231240 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 234231240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370880640).

234231240 is an abundant number, since it is smaller than the sum of its proper divisors (507530040).

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

234231240 is a wasteful number, since it uses less digits than its factorization.

234231240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5459 (or 5436 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 234231240 is about 15304.6149902570. The cubic root of 234231240 is about 616.4269331917.

Adding to 234231240 its reverse (42132432), we get a palindrome (276363672).

The spelling of 234231240 in words is "two hundred thirty-four million, two hundred thirty-one thousand, two hundred forty".