232311240 has 160 divisors (see below), whose sum is σ = 892457280. Its totient is φ = 53094528.

The previous prime is 232311223. The next prime is 232311251. The reversal of 232311240 is 42113232.

232311240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 39 ways as a sum of consecutive naturals, for example, 17559 + ... + 27801.

It is an arithmetic number, because the mean of its divisors is an integer number (5577858).

Almost surely, 2^232311240 is an apocalyptic number.

232311240 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 232311240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446228640).

232311240 is an abundant number, since it is smaller than the sum of its proper divisors (660146040).

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

232311240 is a wasteful number, since it uses less digits than its factorization.

232311240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10273 (or 10260 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 232311240 is about 15241.7597409223. The cubic root of 232311240 is about 614.7380204813.

Adding to 232311240 its reverse (42113232), we get a palindrome (274424472).

The spelling of 232311240 in words is "two hundred thirty-two million, three hundred eleven thousand, two hundred forty".