100321223 has 2 divisors, whose sum is σ = 100321224. Its totient is φ = 100321222.

The previous prime is 100321217. The next prime is 100321261. The reversal of 100321223 is 322123001.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (322123001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100321223 - 2¹² = 100317127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100321198 and 100321207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100321213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50160611 + 50160612.

It is an arithmetic number, because the mean of its divisors is an integer number (50160612).

Almost surely, 2^100321223 is an apocalyptic number.

100321223 is a deficient number, since it is larger than the sum of its proper divisors (1).

100321223 is an equidigital number, since it uses as much as digits as its factorization.

100321223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 100321223 is about 10016.0482726473. The cubic root of 100321223 is about 464.6553471848.

Adding to 100321223 its reverse (322123001), we get a palindrome (422444224).

The spelling of 100321223 in words is "one hundred million, three hundred twenty-one thousand, two hundred twenty-three".