100230217 has 4 divisors (see below), whose sum is σ = 101167056. Its totient is φ = 99293380.

The previous prime is 100230173. The next prime is 100230239. The reversal of 100230217 is 712032001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 712032001 = 59 ⋅12068339.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100230217 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 100230217.

It is not an unprimeable number, because it can be changed into a prime (100230617) 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, 468259 + ... + 468472.

It is an arithmetic number, because the mean of its divisors is an integer number (25291764).

Almost surely, 2^100230217 is an apocalyptic number.

It is an amenable number.

100230217 is a deficient number, since it is larger than the sum of its proper divisors (936839).

100230217 is an equidigital number, since it uses as much as digits as its factorization.

100230217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936838.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 100230217 is about 10011.5042326316. The cubic root of 100230217 is about 464.5148012585.

Adding to 100230217 its reverse (712032001), we get a palindrome (812262218).

The spelling of 100230217 in words is "one hundred million, two hundred thirty thousand, two hundred seventeen".