100300393 has 4 divisors (see below), whose sum is σ = 100973700. Its totient is φ = 99627088.

The previous prime is 100300339. The next prime is 100300399. The reversal of 100300393 is 393003001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 393003001 = 23 ⋅17087087.

It can be written as a sum of positive squares in 2 ways, for example, as 32353344 + 67947049 = 5688^2 + 8243^2 .

It is a cyclic number.

It is not a de Polignac number, because 100300393 - 2¹³ = 100292201 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 100300393.

It is not an unprimeable number, because it can be changed into a prime (100300399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336430 + ... + 336727.

It is an arithmetic number, because the mean of its divisors is an integer number (25243425).

Almost surely, 2^100300393 is an apocalyptic number.

It is an amenable number.

100300393 is a deficient number, since it is larger than the sum of its proper divisors (673307).

100300393 is an equidigital number, since it uses as much as digits as its factorization.

100300393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673306.

The product of its (nonzero) digits is 243, while the sum is 19.

The square root of 100300393 is about 10015.0083874154. The cubic root of 100300393 is about 464.6231856921.

Adding to 100300393 its reverse (393003001), we get a palindrome (493303394).

The spelling of 100300393 in words is "one hundred million, three hundred thousand, three hundred ninety-three".