123212311222303 has 2 divisors, whose sum is σ = 123212311222304. Its totient is φ = 123212311222302.

The previous prime is 123212311222289. The next prime is 123212311222339. The reversal of 123212311222303 is 303222113212321.

It is a weak prime.

It is an emirp because it is prime and its reverse (303222113212321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123212311222303 - 2³³ = 123203721287711 is a prime.

It is a super-3 number, since 3×123212311222303³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123212311222603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61606155611151 + 61606155611152.

It is an arithmetic number, because the mean of its divisors is an integer number (61606155611152).

Almost surely, 2^{123212311222303} is an apocalyptic number.

123212311222303 is a deficient number, since it is larger than the sum of its proper divisors (1).

123212311222303 is an equidigital number, since it uses as much as digits as its factorization.

123212311222303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 123212311222303 its reverse (303222113212321), we get a palindrome (426434424434624).

The spelling of 123212311222303 in words is "one hundred twenty-three trillion, two hundred twelve billion, three hundred eleven million, two hundred twenty-two thousand, three hundred three".