243421123342 has 8 divisors (see below), whose sum is σ = 365134914936. Its totient is φ = 121709485032.

The previous prime is 243421123327. The next prime is 243421123409. The reversal of 243421123342 is 243321124342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217453 + ... + 730840.

It is an arithmetic number, because the mean of its divisors is an integer number (45641864367).

Almost surely, 2^243421123342 is an apocalyptic number.

243421123342 is a deficient number, since it is larger than the sum of its proper divisors (121713791594).

243421123342 is a wasteful number, since it uses less digits than its factorization.

243421123342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076642.

The product of its digits is 27648, while the sum is 31.

Adding to 243421123342 its reverse (243321124342), we get a palindrome (486742247684).

The spelling of 243421123342 in words is "two hundred forty-three billion, four hundred twenty-one million, one hundred twenty-three thousand, three hundred forty-two".