100320223 has 4 divisors (see below), whose sum is σ = 100342368. Its totient is φ = 100298080.

The previous prime is 100320211. The next prime is 100320257. The reversal of 100320223 is 322023001.

It is a happy number.

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 100320223 - 2⁹ = 100319711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100320263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1543 + ... + 14248.

It is an arithmetic number, because the mean of its divisors is an integer number (25085592).

Almost surely, 2^100320223 is an apocalyptic number.

100320223 is a deficient number, since it is larger than the sum of its proper divisors (22145).

100320223 is an equidigital number, since it uses as much as digits as its factorization.

100320223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22144.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 100320223 is about 10015.9983526356. The cubic root of 100320223 is about 464.6538032878.

Adding to 100320223 its reverse (322023001), we get a palindrome (422343224).

The spelling of 100320223 in words is "one hundred million, three hundred twenty thousand, two hundred twenty-three".