303420023 has 2 divisors, whose sum is σ = 303420024. Its totient is φ = 303420022.

The previous prime is 303419981. The next prime is 303420043. The reversal of 303420023 is 320024303.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 303420023 - 2¹⁸ = 303157879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 303419983 and 303420010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (303420043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151710011 + 151710012.

It is an arithmetic number, because the mean of its divisors is an integer number (151710012).

Almost surely, 2^303420023 is an apocalyptic number.

303420023 is a deficient number, since it is larger than the sum of its proper divisors (1).

303420023 is an equidigital number, since it uses as much as digits as its factorization.

303420023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 303420023 is about 17418.9558527485. The cubic root of 303420023 is about 671.9672064201.

Adding to 303420023 its reverse (320024303), we get a palindrome (623444326).

The spelling of 303420023 in words is "three hundred three million, four hundred twenty thousand, twenty-three".