230432240 has 40 divisors (see below), whose sum is σ = 538157520. Its totient is φ = 91759616.

The previous prime is 230432203. The next prime is 230432243. The reversal of 230432240 is 42234032.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230432243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11816 + ... + 24504.

It is an arithmetic number, because the mean of its divisors is an integer number (13453938).

Almost surely, 2^230432240 is an apocalyptic number.

230432240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230432240 is an abundant number, since it is smaller than the sum of its proper divisors (307725280).

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

230432240 is a wasteful number, since it uses less digits than its factorization.

230432240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12929 (or 12923 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 230432240 is about 15179.9947299069. The cubic root of 230432240 is about 613.0761392757.

Adding to 230432240 its reverse (42234032), we get a palindrome (272666272).

The spelling of 230432240 in words is "two hundred thirty million, four hundred thirty-two thousand, two hundred forty".