312343 has 2 divisors, whose sum is σ = 312344. Its totient is φ = 312342.

The previous prime is 312331. The next prime is 312349. The reversal of 312343 is 343213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312343 - 2⁵ = 312311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156171 + 156172.

It is an arithmetic number, because the mean of its divisors is an integer number (156172).

2³¹²³⁴³ is an apocalyptic number.

312343 is a deficient number, since it is larger than the sum of its proper divisors (1).

312343 is an equidigital number, since it uses as much as digits as its factorization.

312343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 16.

The square root of 312343 is about 558.8765516641. The cubic root of 312343 is about 67.8490741494.

Adding to 312343 its reverse (343213), we get a palindrome (655556).

The spelling of 312343 in words is "three hundred twelve thousand, three hundred forty-three", and thus it is an iban number.