243254430 has 48 divisors (see below), whose sum is σ = 640486080. Its totient is φ = 64044864.

The previous prime is 243254423. The next prime is 243254441. The reversal of 243254430 is 34452342.

It is a junction number, because it is equal to n+sod(n) for n = 243254394 and 243254403.

It is a congruent number.

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, 9997 + ... + 24216.

It is an arithmetic number, because the mean of its divisors is an integer number (13343460).

Almost surely, 2^243254430 is an apocalyptic number.

243254430 is an abundant number, since it is smaller than the sum of its proper divisors (397231650).

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

243254430 is a wasteful number, since it uses less digits than its factorization.

243254430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34305 (or 34302 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 243254430 is about 15596.6159791155. The cubic root of 243254430 is about 624.2428634278.

The spelling of 243254430 in words is "two hundred forty-three million, two hundred fifty-four thousand, four hundred thirty".