306623606121242 has 8 divisors (see below), whose sum is σ = 460076797266996. Its totient is φ = 153264673698912.

The previous prime is 306623606121197. The next prime is 306623606121269. The reversal of 306623606121242 is 242121606326603.

It can be written as a sum of positive squares in 2 ways, for example, as 303766590067801 + 2857016053441 = 17428901^2 + 1690271^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 306623606121193 and 306623606121202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23564672723 + ... + 23564685734.

Almost surely, 2^{306623606121242} is an apocalyptic number.

306623606121242 is a deficient number, since it is larger than the sum of its proper divisors (153453191145754).

306623606121242 is a wasteful number, since it uses less digits than its factorization.

306623606121242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47129361712.

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 306623606121242 in words is "three hundred six trillion, six hundred twenty-three billion, six hundred six million, one hundred twenty-one thousand, two hundred forty-two".