312031232223 has 8 divisors (see below), whose sum is σ = 417461581488. Its totient is φ = 207310852224.

The previous prime is 312031232213. The next prime is 312031232267. The reversal of 312031232223 is 322232130213.

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

It is not a de Polignac number, because 312031232223 - 2¹⁰ = 312031231199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312031232193 and 312031232202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312031232203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177491290 + ... + 177493047.

It is an arithmetic number, because the mean of its divisors is an integer number (52182697686).

Almost surely, 2^312031232223 is an apocalyptic number.

312031232223 is a deficient number, since it is larger than the sum of its proper divisors (105430349265).

312031232223 is a wasteful number, since it uses less digits than its factorization.

312031232223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354984633.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 312031232223 its reverse (322232130213), we get a palindrome (634263362436).

The spelling of 312031232223 in words is "three hundred twelve billion, thirty-one million, two hundred thirty-two thousand, two hundred twenty-three".