312111123323 has 2 divisors, whose sum is σ = 312111123324. Its totient is φ = 312111123322.

The previous prime is 312111123293. The next prime is 312111123347. The reversal of 312111123323 is 323321111213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312111123323 - 2²⁸ = 311842687867 is a prime.

It is not a weakly prime, because it can be changed into another prime (312111123383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156055561661 + 156055561662.

It is an arithmetic number, because the mean of its divisors is an integer number (156055561662).

Almost surely, 2^312111123323 is an apocalyptic number.

312111123323 is a deficient number, since it is larger than the sum of its proper divisors (1).

312111123323 is an equidigital number, since it uses as much as digits as its factorization.

312111123323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 23.

Adding to 312111123323 its reverse (323321111213), we get a palindrome (635432234536).

The spelling of 312111123323 in words is "three hundred twelve billion, one hundred eleven million, one hundred twenty-three thousand, three hundred twenty-three".