232105640 has 64 divisors (see below), whose sum is σ = 565488000. Its totient is φ = 85231872.

The previous prime is 232105613. The next prime is 232105667. The reversal of 232105640 is 46501232.

232105640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (232105613) and next prime (232105667).

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, 102359 + ... + 104601.

It is an arithmetic number, because the mean of its divisors is an integer number (8835750).

Almost surely, 2^232105640 is an apocalyptic number.

232105640 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 232105640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282744000).

232105640 is an abundant number, since it is smaller than the sum of its proper divisors (333382360).

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

232105640 is a wasteful number, since it uses less digits than its factorization.

232105640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466 (or 2462 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 232105640 is about 15235.0136199480. The cubic root of 232105640 is about 614.5566152233.

Adding to 232105640 its reverse (46501232), we get a palindrome (278606872).

The spelling of 232105640 in words is "two hundred thirty-two million, one hundred five thousand, six hundred forty".