243421333342 has 16 divisors (see below), whose sum is σ = 400347783792. Its totient is φ = 110084403520.

The previous prime is 243421333339. The next prime is 243421333357. The reversal of 243421333342 is 243333124342.

It is a junction number, because it is equal to n+sod(n) for n = 243421333298 and 243421333307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28078423 + ... + 28087090.

It is an arithmetic number, because the mean of its divisors is an integer number (25021736487).

Almost surely, 2^243421333342 is an apocalyptic number.

243421333342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243421333342 is a deficient number, since it is larger than the sum of its proper divisors (156926450450).

243421333342 is a wasteful number, since it uses less digits than its factorization.

243421333342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56165723.

The product of its digits is 124416, while the sum is 34.

Adding to 243421333342 its reverse (243333124342), we get a palindrome (486754457684).

The spelling of 243421333342 in words is "two hundred forty-three billion, four hundred twenty-one million, three hundred thirty-three thousand, three hundred forty-two".