302421243 has 8 divisors (see below), whose sum is σ = 408332800. Its totient is φ = 199061928.

The previous prime is 302421209. The next prime is 302421247. The reversal of 302421243 is 342124203.

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

It is not a de Polignac number, because 302421243 - 2⁶ = 302421179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (302421247) 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, 637783 + ... + 638256.

It is an arithmetic number, because the mean of its divisors is an integer number (51041600).

Almost surely, 2^302421243 is an apocalyptic number.

302421243 is a deficient number, since it is larger than the sum of its proper divisors (105911557).

302421243 is a wasteful number, since it uses less digits than its factorization.

302421243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276121.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 302421243 is about 17390.2628789791. The cubic root of 302421243 is about 671.2290820165.

Adding to 302421243 its reverse (342124203), we get a palindrome (644545446).

The spelling of 302421243 in words is "three hundred two million, four hundred twenty-one thousand, two hundred forty-three".