312203311222223 has 2 divisors, whose sum is σ = 312203311222224. Its totient is φ = 312203311222222.

The previous prime is 312203311222171. The next prime is 312203311222273. The reversal of 312203311222223 is 322222113302213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312203311222223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312203311222273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156101655611111 + 156101655611112.

It is an arithmetic number, because the mean of its divisors is an integer number (156101655611112).

Almost surely, 2^{312203311222223} is an apocalyptic number.

312203311222223 is a deficient number, since it is larger than the sum of its proper divisors (1).

312203311222223 is an equidigital number, since it uses as much as digits as its factorization.

312203311222223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 312203311222223 its reverse (322222113302213), we get a palindrome (634425424524436).

The spelling of 312203311222223 in words is "three hundred twelve trillion, two hundred three billion, three hundred eleven million, two hundred twenty-two thousand, two hundred twenty-three".