312202213223 has 4 divisors (see below), whose sum is σ = 312215677800. Its totient is φ = 312188748648.

The previous prime is 312202213217. The next prime is 312202213237. The reversal of 312202213223 is 322312202213.

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 312202213223 - 2⁶ = 312202213159 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 (312202213273) 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, 6697448 + ... + 6743901.

It is an arithmetic number, because the mean of its divisors is an integer number (78053919450).

Almost surely, 2^312202213223 is an apocalyptic number.

312202213223 is a deficient number, since it is larger than the sum of its proper divisors (13464577).

312202213223 is a wasteful number, since it uses less digits than its factorization.

312202213223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13464576.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 312202213223 its reverse (322312202213), we get a palindrome (634514415436).

The spelling of 312202213223 in words is "three hundred twelve billion, two hundred two million, two hundred thirteen thousand, two hundred twenty-three".