18300107 has 4 divisors (see below), whose sum is σ = 20914416. Its totient is φ = 15685800.

The previous prime is 18300101. The next prime is 18300127. The reversal of 18300107 is 70100381.

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 18300107 - 2⁸ = 18299851 is a prime.

It is a super-2 number, since 2×18300107² = 669787832422898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18300101) 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, 1307144 + ... + 1307157.

It is an arithmetic number, because the mean of its divisors is an integer number (5228604).

Almost surely, 2^18300107 is an apocalyptic number.

18300107 is a deficient number, since it is larger than the sum of its proper divisors (2614309).

18300107 is an equidigital number, since it uses as much as digits as its factorization.

18300107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614308.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 18300107 is about 4277.8624335058. The cubic root of 18300107 is about 263.5226058305.

Adding to 18300107 its reverse (70100381), we get a palindrome (88400488).

The spelling of 18300107 in words is "eighteen million, three hundred thousand, one hundred seven".