312875123 has 16 divisors (see below), whose sum is σ = 361985760. Its totient is φ = 267264000.

The previous prime is 312875119. The next prime is 312875137. The reversal of 312875123 is 321578213.

It is a cyclic number.

It is not a de Polignac number, because 312875123 - 2² = 312875119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312875123.

It is not an unprimeable number, because it can be changed into a prime (312875183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172823 + ... + 174623.

It is an arithmetic number, because the mean of its divisors is an integer number (22624110).

Almost surely, 2^312875123 is an apocalyptic number.

312875123 is a deficient number, since it is larger than the sum of its proper divisors (49110637).

312875123 is a wasteful number, since it uses less digits than its factorization.

312875123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758.

The product of its digits is 10080, while the sum is 32.

The square root of 312875123 is about 17688.2764281882. The cubic root of 312875123 is about 678.8758263677.

The spelling of 312875123 in words is "three hundred twelve million, eight hundred seventy-five thousand, one hundred twenty-three".