312222200111323 has 2 divisors, whose sum is σ = 312222200111324. Its totient is φ = 312222200111322.

The previous prime is 312222200111317. The next prime is 312222200111383. The reversal of 312222200111323 is 323111002222213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312222200111323 - 2²¹ = 312222198014171 is a prime.

It is not a weakly prime, because it can be changed into another prime (312222200111383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156111100055661 + 156111100055662.

It is an arithmetic number, because the mean of its divisors is an integer number (156111100055662).

Almost surely, 2^{312222200111323} is an apocalyptic number.

312222200111323 is a deficient number, since it is larger than the sum of its proper divisors (1).

312222200111323 is an equidigital number, since it uses as much as digits as its factorization.

312222200111323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 312222200111323 its reverse (323111002222213), we get a palindrome (635333202333536).

The spelling of 312222200111323 in words is "three hundred twelve trillion, two hundred twenty-two billion, two hundred million, one hundred eleven thousand, three hundred twenty-three".