232430440 has 64 divisors (see below), whose sum is σ = 581333760. Its totient is φ = 82917120.

The previous prime is 232430431. The next prime is 232430449. The reversal of 232430440 is 44034232.

It is an interprime number because it is at equal distance from previous prime (232430431) and next prime (232430449).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (232430449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18337 + ... + 28303.

It is an arithmetic number, because the mean of its divisors is an integer number (9083340).

Almost surely, 2^232430440 is an apocalyptic number.

232430440 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 232430440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290666880).

232430440 is an abundant number, since it is smaller than the sum of its proper divisors (348903320).

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

232430440 is a wasteful number, since it uses less digits than its factorization.

232430440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10042 (or 10038 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 232430440 is about 15245.6695490884. The cubic root of 232430440 is about 614.8431441690.

Adding to 232430440 its reverse (44034232), we get a palindrome (276464672).

The spelling of 232430440 in words is "two hundred thirty-two million, four hundred thirty thousand, four hundred forty".