100217023 has 4 divisors (see below), whose sum is σ = 106112160. Its totient is φ = 94321888.

The previous prime is 100217009. The next prime is 100217027. The reversal of 100217023 is 320712001.

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: 320712001 = 19 ⋅16879579.

It is a cyclic number.

It is not a de Polignac number, because 100217023 - 2⁹ = 100216511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100216988 and 100217006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100217027) 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, 2947543 + ... + 2947576.

It is an arithmetic number, because the mean of its divisors is an integer number (26528040).

Almost surely, 2^100217023 is an apocalyptic number.

100217023 is a deficient number, since it is larger than the sum of its proper divisors (5895137).

100217023 is an equidigital number, since it uses as much as digits as its factorization.

100217023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5895136.

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

The square root of 100217023 is about 10010.8452690070. The cubic root of 100217023 is about 464.4944179270.

Adding to 100217023 its reverse (320712001), we get a palindrome (420929024).

The spelling of 100217023 in words is "one hundred million, two hundred seventeen thousand, twenty-three".