312210203223 has 8 divisors (see below), whose sum is σ = 416348841328. Its totient is φ = 208105850304.

The previous prime is 312210203191. The next prime is 312210203251. The reversal of 312210203223 is 322302012213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 312210203223 - 2⁵ = 312210203191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312210203223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312210203273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8550040 + ... + 8586477.

It is an arithmetic number, because the mean of its divisors is an integer number (52043605166).

Almost surely, 2^312210203223 is an apocalyptic number.

312210203223 is a deficient number, since it is larger than the sum of its proper divisors (104138638105).

312210203223 is a wasteful number, since it uses less digits than its factorization.

312210203223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17142593.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 312210203223 its reverse (322302012213), we get a palindrome (634512215436).

The spelling of 312210203223 in words is "three hundred twelve billion, two hundred ten million, two hundred three thousand, two hundred twenty-three".