212303313223 has 4 divisors (see below), whose sum is σ = 216309036168. Its totient is φ = 208297590280.

The previous prime is 212303313203. The next prime is 212303313269. The reversal of 212303313223 is 322313303212.

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 212303313223 - 2²⁹ = 211766442311 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 (212303313203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2002861393 + ... + 2002861498.

It is an arithmetic number, because the mean of its divisors is an integer number (54077259042).

Almost surely, 2^212303313223 is an apocalyptic number.

212303313223 is a deficient number, since it is larger than the sum of its proper divisors (4005722945).

212303313223 is an equidigital number, since it uses as much as digits as its factorization.

212303313223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4005722944.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 212303313223 its reverse (322313303212), we get a palindrome (534616616435).

The spelling of 212303313223 in words is "two hundred twelve billion, three hundred three million, three hundred thirteen thousand, two hundred twenty-three".