123212303023123 has 2 divisors, whose sum is σ = 123212303023124. Its totient is φ = 123212303023122.

The previous prime is 123212303023037. The next prime is 123212303023213. The reversal of 123212303023123 is 321320303212321.

It is a happy number.

Together with next prime (123212303023213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123212303023123 - 2³³ = 123203713088531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123212303023091 and 123212303023100.

It is not a weakly prime, because it can be changed into another prime (123212303023423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61606151511561 + 61606151511562.

It is an arithmetic number, because the mean of its divisors is an integer number (61606151511562).

Almost surely, 2^{123212303023123} is an apocalyptic number.

123212303023123 is a deficient number, since it is larger than the sum of its proper divisors (1).

123212303023123 is an equidigital number, since it uses as much as digits as its factorization.

123212303023123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 123212303023123 its reverse (321320303212321), we get a palindrome (444532606235444).

The spelling of 123212303023123 in words is "one hundred twenty-three trillion, two hundred twelve billion, three hundred three million, twenty-three thousand, one hundred twenty-three".