243420530346 has 64 divisors (see below), whose sum is σ = 633289224960. Its totient is φ = 67852408320.

The previous prime is 243420530341. The next prime is 243420530351. The reversal of 243420530346 is 643035024342.

243420530346 is a `hidden beast` number, since 2 + 4 + 342 + 0 + 5 + 303 + 4 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (243420530341) and next prime (243420530351).

It is a self number, because there is not a number n which added to its sum of digits gives 243420530346.

It is not an unprimeable number, because it can be changed into a prime (243420530341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7837791 + ... + 7868786.

It is an arithmetic number, because the mean of its divisors is an integer number (9895144140).

Almost surely, 2^243420530346 is an apocalyptic number.

243420530346 is an abundant number, since it is smaller than the sum of its proper divisors (389868694614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243420530346 is a wasteful number, since it uses less digits than its factorization.

243420530346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15706636 (or 15706630 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

Adding to 243420530346 its reverse (643035024342), we get a palindrome (886455554688).

The spelling of 243420530346 in words is "two hundred forty-three billion, four hundred twenty million, five hundred thirty thousand, three hundred forty-six".