302423213 has 2 divisors, whose sum is σ = 302423214. Its totient is φ = 302423212.

The previous prime is 302423207. The next prime is 302423227. The reversal of 302423213 is 312324203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248283049 + 54140164 = 15757^2 + 7358^2 .

It is a cyclic number.

It is not a de Polignac number, because 302423213 - 2¹⁰ = 302422189 is a prime.

It is a super-2 number, since 2×302423213² = 182919599522486738, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302423243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151211606 + 151211607.

It is an arithmetic number, because the mean of its divisors is an integer number (151211607).

Almost surely, 2^302423213 is an apocalyptic number.

It is an amenable number.

302423213 is a deficient number, since it is larger than the sum of its proper divisors (1).

302423213 is an equidigital number, since it uses as much as digits as its factorization.

302423213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 302423213 is about 17390.3195197788. The cubic root of 302423213 is about 671.2305394962.

Adding to 302423213 its reverse (312324203), we get a palindrome (614747416).

The spelling of 302423213 in words is "three hundred two million, four hundred twenty-three thousand, two hundred thirteen".