300312021323 has 4 divisors (see below), whose sum is σ = 317977434360. Its totient is φ = 282646608288.

The previous prime is 300312021313. The next prime is 300312021337. The reversal of 300312021323 is 323120213003.

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 300312021323 - 2⁴ = 300312021307 is a prime.

It is a super-2 number, since 2×300312021323² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 300312021295 and 300312021304.

It is not an unprimeable number, because it can be changed into a prime (300312021313) 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, 8832706493 + ... + 8832706526.

It is an arithmetic number, because the mean of its divisors is an integer number (79494358590).

Almost surely, 2^300312021323 is an apocalyptic number.

300312021323 is a deficient number, since it is larger than the sum of its proper divisors (17665413037).

300312021323 is a wasteful number, since it uses less digits than its factorization.

300312021323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17665413036.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 300312021323 its reverse (323120213003), we get a palindrome (623432234326).

The spelling of 300312021323 in words is "three hundred billion, three hundred twelve million, twenty-one thousand, three hundred twenty-three".