243232315430 has 24 divisors (see below), whose sum is σ = 474087131712. Its totient is φ = 89808854304.

The previous prime is 243232315423. The next prime is 243232315433. The reversal of 243232315430 is 34513232342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243232315433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71960534 + ... + 71963913.

It is an arithmetic number, because the mean of its divisors is an integer number (19753630488).

Almost surely, 2^243232315430 is an apocalyptic number.

243232315430 is a deficient number, since it is larger than the sum of its proper divisors (230854816282).

243232315430 is a wasteful number, since it uses less digits than its factorization.

243232315430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143924480 (or 143924467 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 243232315430 its reverse (34513232342), we get a palindrome (277745547772).

The spelling of 243232315430 in words is "two hundred forty-three billion, two hundred thirty-two million, three hundred fifteen thousand, four hundred thirty".