243321230422 has 4 divisors (see below), whose sum is σ = 364981845636. Its totient is φ = 121660615210.

The previous prime is 243321230407. The next prime is 243321230423. The reversal of 243321230422 is 224032123342.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243321230423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60830307604 + ... + 60830307607.

It is an arithmetic number, because the mean of its divisors is an integer number (91245461409).

Almost surely, 2^243321230422 is an apocalyptic number.

243321230422 is a deficient number, since it is larger than the sum of its proper divisors (121660615214).

243321230422 is a wasteful number, since it uses less digits than its factorization.

243321230422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121660615213.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 243321230422 its reverse (224032123342), we get a palindrome (467353353764).

The spelling of 243321230422 in words is "two hundred forty-three billion, three hundred twenty-one million, two hundred thirty thousand, four hundred twenty-two".