302023421 has 16 divisors (see below), whose sum is σ = 361340928. Its totient is φ = 246985200.

The previous prime is 302023417. The next prime is 302023439. The reversal of 302023421 is 124320203.

It is not a de Polignac number, because 302023421 - 2² = 302023417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 302023421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302023441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5606 + ... + 25208.

It is an arithmetic number, because the mean of its divisors is an integer number (22583808).

Almost surely, 2^302023421 is an apocalyptic number.

302023421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

302023421 is a deficient number, since it is larger than the sum of its proper divisors (59317507).

302023421 is a wasteful number, since it uses less digits than its factorization.

302023421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19712.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 302023421 is about 17378.8210474704. The cubic root of 302023421 is about 670.9346286381.

Adding to 302023421 its reverse (124320203), we get a palindrome (426343624).

The spelling of 302023421 in words is "three hundred two million, twenty-three thousand, four hundred twenty-one".