312123234 has 8 divisors (see below), whose sum is σ = 624246480. Its totient is φ = 104041076.

The previous prime is 312123211. The next prime is 312123239. The reversal of 312123234 is 432321213.

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

312123234 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 312123234.

It is not an unprimeable number, because it can be changed into a prime (312123239) 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, 26010264 + ... + 26010275.

It is an arithmetic number, because the mean of its divisors is an integer number (78030810).

Almost surely, 2^312123234 is an apocalyptic number.

312123234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312123234 is a wasteful number, since it uses less digits than its factorization.

312123234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52020544.

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

The square root of 312123234 is about 17667.0097639640. The cubic root of 312123234 is about 678.3315744021.

Adding to 312123234 its reverse (432321213), we get a palindrome (744444447).

The spelling of 312123234 in words is "three hundred twelve million, one hundred twenty-three thousand, two hundred thirty-four".