243423420412 has 24 divisors (see below), whose sum is σ = 426543626432. Its totient is φ = 121553913600.

The previous prime is 243423420403. The next prime is 243423420463. The reversal of 243423420412 is 214024324342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11220808 + ... + 11242480.

Almost surely, 2^243423420412 is an apocalyptic number.

It is an amenable number.

243423420412 is a deficient number, since it is larger than the sum of its proper divisors (183120206020).

243423420412 is a wasteful number, since it uses less digits than its factorization.

243423420412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25189 (or 25187 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 243423420412 its reverse (214024324342), we get a palindrome (457447744754).

The spelling of 243423420412 in words is "two hundred forty-three billion, four hundred twenty-three million, four hundred twenty thousand, four hundred twelve".