312133321223 has 8 divisors (see below), whose sum is σ = 317045870496. Its totient is φ = 307256500000.

The previous prime is 312133321207. The next prime is 312133321237. The reversal of 312133321223 is 322123331213.

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

It is a cyclic number.

It is not a de Polignac number, because 312133321223 - 2⁴ = 312133321207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312133321192 and 312133321201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312133321723) 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, 8914403 + ... + 8949348.

It is an arithmetic number, because the mean of its divisors is an integer number (39630733812).

Almost surely, 2^312133321223 is an apocalyptic number.

312133321223 is a deficient number, since it is larger than the sum of its proper divisors (4912549273).

312133321223 is a wasteful number, since it uses less digits than its factorization.

312133321223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17864025.

The product of its digits is 3888, while the sum is 26.

Adding to 312133321223 its reverse (322123331213), we get a palindrome (634256652436).

The spelling of 312133321223 in words is "three hundred twelve billion, one hundred thirty-three million, three hundred twenty-one thousand, two hundred twenty-three".