300140323 has 4 divisors (see below), whose sum is σ = 343017520. Its totient is φ = 257263128.

The previous prime is 300140293. The next prime is 300140327. The reversal of 300140323 is 323041003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323041003 = 23 ⋅14045261.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-300140323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 300140297 and 300140306.

It is not an unprimeable number, because it can be changed into a prime (300140327) 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, 21438588 + ... + 21438601.

It is an arithmetic number, because the mean of its divisors is an integer number (85754380).

Almost surely, 2^300140323 is an apocalyptic number.

300140323 is a deficient number, since it is larger than the sum of its proper divisors (42877197).

300140323 is an equidigital number, since it uses as much as digits as its factorization.

300140323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42877196.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 300140323 is about 17324.5583782098. The cubic root of 300140323 is about 669.5373080794.

Adding to 300140323 its reverse (323041003), we get a palindrome (623181326).

The spelling of 300140323 in words is "three hundred million, one hundred forty thousand, three hundred twenty-three".