232303140 has 192 divisors, whose sum is σ = 753822720. Its totient is φ = 60092928.

The previous prime is 232303121. The next prime is 232303163. The reversal of 232303140 is 41303232.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2055724 + ... + 2055836.

It is an arithmetic number, because the mean of its divisors is an integer number (3926160).

Almost surely, 2^232303140 is an apocalyptic number.

232303140 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 232303140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376911360).

232303140 is an abundant number, since it is smaller than the sum of its proper divisors (521519580).

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

232303140 is a wasteful number, since it uses less digits than its factorization.

232303140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 232303140 is about 15241.4940212566. The cubic root of 232303140 is about 614.7308757045.

Adding to 232303140 its reverse (41303232), we get a palindrome (273606372).

The spelling of 232303140 in words is "two hundred thirty-two million, three hundred three thousand, one hundred forty".