100020321223 has 4 divisors (see below), whose sum is σ = 100021719168. Its totient is φ = 100018923280.

The previous prime is 100020321221. The next prime is 100020321239. The reversal of 100020321223 is 322123020001.

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 100020321223 - 2¹ = 100020321221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100020321197 and 100020321206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100020321221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585511 + ... + 736792.

It is an arithmetic number, because the mean of its divisors is an integer number (25005429792).

Almost surely, 2^100020321223 is an apocalyptic number.

100020321223 is a deficient number, since it is larger than the sum of its proper divisors (1397945).

100020321223 is an equidigital number, since it uses as much as digits as its factorization.

100020321223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397944.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 100020321223 its reverse (322123020001), we get a palindrome (422143341224).

The spelling of 100020321223 in words is "one hundred billion, twenty million, three hundred twenty-one thousand, two hundred twenty-three".