203312100312223 has 16 divisors (see below), whose sum is σ = 235544217103936. Its totient is φ = 171876958767360.

The previous prime is 203312100312163. The next prime is 203312100312239. The reversal of 203312100312223 is 322213001213302.

It is not a de Polignac number, because 203312100312223 - 2²¹ = 203312098215071 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 (203312400312223) 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, 22730533 + ... + 30385873.

It is an arithmetic number, because the mean of its divisors is an integer number (14721513568996).

Almost surely, 2^{203312100312223} is an apocalyptic number.

203312100312223 is a deficient number, since it is larger than the sum of its proper divisors (32232116791713).

203312100312223 is an equidigital number, since it uses as much as digits as its factorization.

203312100312223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7707394.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 203312100312223 its reverse (322213001213302), we get a palindrome (525525101525525).

The spelling of 203312100312223 in words is "two hundred three trillion, three hundred twelve billion, one hundred million, three hundred twelve thousand, two hundred twenty-three".