312123350 has 48 divisors (see below), whose sum is σ = 723810816. Its totient is φ = 97284000.

The previous prime is 312123337. The next prime is 312123359. The reversal of 312123350 is 53321213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312123359) 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 23 ways as a sum of consecutive naturals, for example, 36686 + ... + 44385.

It is an arithmetic number, because the mean of its divisors is an integer number (15079392).

Almost surely, 2^312123350 is an apocalyptic number.

312123350 is an abundant number, since it is smaller than the sum of its proper divisors (411687466).

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

312123350 is a wasteful number, since it uses less digits than its factorization.

312123350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81101 (or 81096 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 312123350 is about 17667.0130469188. The cubic root of 312123350 is about 678.3316584356.

Adding to 312123350 its reverse (53321213), we get a palindrome (365444563).

The spelling of 312123350 in words is "three hundred twelve million, one hundred twenty-three thousand, three hundred fifty".