304400122321 has 8 divisors (see below), whose sum is σ = 326219638464. Its totient is φ = 283296000240.

The previous prime is 304400122283. The next prime is 304400122343. The reversal of 304400122321 is 123221004403.

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

It is a cyclic number.

It is not a de Polignac number, because 304400122321 - 2⁷ = 304400122193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 304400122292 and 304400122301.

It is not an unprimeable number, because it can be changed into a prime (304400122391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178847635 + ... + 178849336.

It is an arithmetic number, because the mean of its divisors is an integer number (40777454808).

Almost surely, 2^304400122321 is an apocalyptic number.

It is an amenable number.

304400122321 is a deficient number, since it is larger than the sum of its proper divisors (21819516143).

304400122321 is a wasteful number, since it uses less digits than its factorization.

304400122321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357697031.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 304400122321 its reverse (123221004403), we get a palindrome (427621126724).

The spelling of 304400122321 in words is "three hundred four billion, four hundred million, one hundred twenty-two thousand, three hundred twenty-one".