100013223 has 16 divisors (see below), whose sum is σ = 143640576. Its totient is φ = 61717920.

The previous prime is 100013213. The next prime is 100013237. The reversal of 100013223 is 322310001.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-100013223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100013199 and 100013208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100013213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21240 + ... + 25517.

It is an arithmetic number, because the mean of its divisors is an integer number (8977536).

Almost surely, 2^100013223 is an apocalyptic number.

100013223 is a deficient number, since it is larger than the sum of its proper divisors (43627353).

100013223 is a wasteful number, since it uses less digits than its factorization.

100013223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46814.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 100013223 is about 10000.6611281455. The cubic root of 100013223 is about 464.1793410360.

Adding to 100013223 its reverse (322310001), we get a palindrome (422323224).

It can be divided in two parts, 10001 and 3223, that multiplied together give a palindrome (32233223).

The spelling of 100013223 in words is "one hundred million, thirteen thousand, two hundred twenty-three".