243053130 has 48 divisors (see below), whose sum is σ = 614970720. Its totient is φ = 61308864.

The previous prime is 243053087. The next prime is 243053143. The reversal of 243053130 is 31350342.

It is a junction number, because it is equal to n+sod(n) for n = 243053097 and 243053106.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371884 + ... + 372536.

It is an arithmetic number, because the mean of its divisors is an integer number (12811890).

Almost surely, 2^243053130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243053130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307485360).

243053130 is an abundant number, since it is smaller than the sum of its proper divisors (371917590).

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

243053130 is an equidigital number, since it uses as much as digits as its factorization.

243053130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 243053130 is about 15590.1613205252. The cubic root of 243053130 is about 624.0706229650.

The spelling of 243053130 in words is "two hundred forty-three million, fifty-three thousand, one hundred thirty".