100123220113223 has 4 divisors (see below), whose sum is σ = 100123254756840. Its totient is φ = 100123185469608.

The previous prime is 100123220113201. The next prime is 100123220113243. The reversal of 100123220113223 is 322311022321001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100123220113223 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 (100123220113243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12548153 + ... + 18913026.

It is an arithmetic number, because the mean of its divisors is an integer number (25030813689210).

Almost surely, 2^{100123220113223} is an apocalyptic number.

100123220113223 is a deficient number, since it is larger than the sum of its proper divisors (34643617).

100123220113223 is an equidigital number, since it uses as much as digits as its factorization.

100123220113223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34643616.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 100123220113223 its reverse (322311022321001), we get a palindrome (422434242434224).

The spelling of 100123220113223 in words is "one hundred trillion, one hundred twenty-three billion, two hundred twenty million, one hundred thirteen thousand, two hundred twenty-three".