304123521041 has 2 divisors, whose sum is σ = 304123521042. Its totient is φ = 304123521040.

The previous prime is 304123521029. The next prime is 304123521059. The reversal of 304123521041 is 140125321403.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 303247361041 + 876160000 = 550679^2 + 29600^2 .

It is an emirp because it is prime and its reverse (140125321403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 304123521041 - 2¹⁰ = 304123520017 is a prime.

It is a super-2 number, since 2×304123521041² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 304123521041.

It is not a weakly prime, because it can be changed into another prime (304123521241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152061760520 + 152061760521.

It is an arithmetic number, because the mean of its divisors is an integer number (152061760521).

Almost surely, 2^304123521041 is an apocalyptic number.

It is an amenable number.

304123521041 is a deficient number, since it is larger than the sum of its proper divisors (1).

304123521041 is an equidigital number, since it uses as much as digits as its factorization.

304123521041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 304123521041 its reverse (140125321403), we get a palindrome (444248842444).

The spelling of 304123521041 in words is "three hundred four billion, one hundred twenty-three million, five hundred twenty-one thousand, forty-one".