312328843 has 2 divisors, whose sum is σ = 312328844. Its totient is φ = 312328842.

The previous prime is 312328829. The next prime is 312328847. The reversal of 312328843 is 348823213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312328843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312328799 and 312328808.

It is not a weakly prime, because it can be changed into another prime (312328847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156164421 + 156164422.

It is an arithmetic number, because the mean of its divisors is an integer number (156164422).

Almost surely, 2^312328843 is an apocalyptic number.

312328843 is a deficient number, since it is larger than the sum of its proper divisors (1).

312328843 is an equidigital number, since it uses as much as digits as its factorization.

312328843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 34.

The square root of 312328843 is about 17672.8278156044. The cubic root of 312328843 is about 678.4804904364.

The spelling of 312328843 in words is "three hundred twelve million, three hundred twenty-eight thousand, eight hundred forty-three".