304121023 has 2 divisors, whose sum is σ = 304121024. Its totient is φ = 304121022.

The previous prime is 304121021. The next prime is 304121029. The reversal of 304121023 is 320121403.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 304121023 - 2¹ = 304121021 is a prime.

Together with 304121021, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 304120988 and 304121006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304121021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152060511 + 152060512.

It is an arithmetic number, because the mean of its divisors is an integer number (152060512).

Almost surely, 2^304121023 is an apocalyptic number.

304121023 is a deficient number, since it is larger than the sum of its proper divisors (1).

304121023 is an equidigital number, since it uses as much as digits as its factorization.

304121023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 304121023 is about 17439.0660013660. The cubic root of 304121023 is about 672.4842967916.

Adding to 304121023 its reverse (320121403), we get a palindrome (624242426).

The spelling of 304121023 in words is "three hundred four million, one hundred twenty-one thousand, twenty-three".