300404020243 has 4 divisors (see below), whose sum is σ = 307730947608. Its totient is φ = 293077092880.

The previous prime is 300404020229. The next prime is 300404020249. The reversal of 300404020243 is 342020404003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342020404003 = 2729 ⋅125328107.

It is a cyclic number.

It is not a de Polignac number, because 300404020243 - 2²¹ = 300401923091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (300404020249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3663463621 + ... + 3663463702.

It is an arithmetic number, because the mean of its divisors is an integer number (76932736902).

Almost surely, 2^300404020243 is an apocalyptic number.

300404020243 is a deficient number, since it is larger than the sum of its proper divisors (7326927365).

300404020243 is an equidigital number, since it uses as much as digits as its factorization.

300404020243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7326927364.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 300404020243 its reverse (342020404003), we get a palindrome (642424424246).

The spelling of 300404020243 in words is "three hundred billion, four hundred four million, twenty thousand, two hundred forty-three".