300421223 has 4 divisors (see below), whose sum is σ = 301118688. Its totient is φ = 299723760.

The previous prime is 300421211. The next prime is 300421243. The reversal of 300421223 is 322124003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 300421223 - 2⁶ = 300421159 is a prime.

It is a super-2 number, since 2×300421223² = 180505822457631458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300421243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348086 + ... + 348947.

It is an arithmetic number, because the mean of its divisors is an integer number (75279672).

Almost surely, 2^300421223 is an apocalyptic number.

300421223 is a deficient number, since it is larger than the sum of its proper divisors (697465).

300421223 is an equidigital number, since it uses as much as digits as its factorization.

300421223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697464.

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

The square root of 300421223 is about 17332.6634710306. The cubic root of 300421223 is about 669.7461152869.

Adding to 300421223 its reverse (322124003), we get a palindrome (622545226).

The spelling of 300421223 in words is "three hundred million, four hundred twenty-one thousand, two hundred twenty-three".