312341123 has 2 divisors, whose sum is σ = 312341124. Its totient is φ = 312341122.

The previous prime is 312341111. The next prime is 312341143. The reversal of 312341123 is 321143213.

It is an a-pointer prime, because the next prime (312341143) can be obtained adding 312341123 to its sum of digits (20).

It is a weak prime.

It is an emirp because it is prime and its reverse (321143213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312341123 - 2⁶ = 312341059 is a prime.

It is a super-2 number, since 2×312341123² = 195113954233802258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312341095 and 312341104.

It is not a weakly prime, because it can be changed into another prime (312341143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156170561 + 156170562.

It is an arithmetic number, because the mean of its divisors is an integer number (156170562).

Almost surely, 2^312341123 is an apocalyptic number.

312341123 is a deficient number, since it is larger than the sum of its proper divisors (1).

312341123 is an equidigital number, since it uses as much as digits as its factorization.

312341123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 20.

The square root of 312341123 is about 17673.1752381964. The cubic root of 312341123 is about 678.4893823799.

Adding to 312341123 its reverse (321143213), we get a palindrome (633484336).

The spelling of 312341123 in words is "three hundred twelve million, three hundred forty-one thousand, one hundred twenty-three".