243432130 has 8 divisors (see below), whose sum is σ = 438177852. Its totient is φ = 97372848.

The previous prime is 243432121. The next prime is 243432173. The reversal of 243432130 is 31234342.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 235530409 + 7901721 = 15347^2 + 2811^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 12171597 + ... + 12171616.

Almost surely, 2^243432130 is an apocalyptic number.

243432130 is a deficient number, since it is larger than the sum of its proper divisors (194745722).

243432130 is a wasteful number, since it uses less digits than its factorization.

243432130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24343220.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 243432130 is about 15602.3116876955. The cubic root of 243432130 is about 624.3948318235.

Adding to 243432130 its reverse (31234342), we get a palindrome (274666472).

The spelling of 243432130 in words is "two hundred forty-three million, four hundred thirty-two thousand, one hundred thirty".