304240243043 has 16 divisors (see below), whose sum is σ = 336249231360. Its totient is φ = 272959502400.

The previous prime is 304240243039. The next prime is 304240243057. The reversal of 304240243043 is 340342042403.

It is a cyclic number.

It is not a de Polignac number, because 304240243043 - 2² = 304240243039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 304240242997 and 304240243015.

It is not an unprimeable number, because it can be changed into a prime (304240243063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1905446 + ... + 2058932.

It is an arithmetic number, because the mean of its divisors is an integer number (21015576960).

Almost surely, 2^304240243043 is an apocalyptic number.

304240243043 is a deficient number, since it is larger than the sum of its proper divisors (32008988317).

304240243043 is a wasteful number, since it uses less digits than its factorization.

304240243043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155858.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 304240243043 its reverse (340342042403), we get a palindrome (644582285446).

The spelling of 304240243043 in words is "three hundred four billion, two hundred forty million, two hundred forty-three thousand, forty-three".