304121440424423 has 4 divisors (see below), whose sum is σ = 317344111747248. Its totient is φ = 290898769101600.

The previous prime is 304121440424317. The next prime is 304121440424437. The reversal of 304121440424423 is 324424044121403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-304121440424423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304121440424443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6611335661378 + ... + 6611335661423.

It is an arithmetic number, because the mean of its divisors is an integer number (79336027936812).

Almost surely, 2^{304121440424423} is an apocalyptic number.

304121440424423 is a deficient number, since it is larger than the sum of its proper divisors (13222671322825).

304121440424423 is a wasteful number, since it uses less digits than its factorization.

304121440424423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13222671322824.

The product of its (nonzero) digits is 294912, while the sum is 38.

Adding to 304121440424423 its reverse (324424044121403), we get a palindrome (628545484545826).

The spelling of 304121440424423 in words is "three hundred four trillion, one hundred twenty-one billion, four hundred forty million, four hundred twenty-four thousand, four hundred twenty-three".