123412021302043 has 2 divisors, whose sum is σ = 123412021302044. Its totient is φ = 123412021302042.

The previous prime is 123412021301977. The next prime is 123412021302133. The reversal of 123412021302043 is 340203120214321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123412021302043 - 2²¹ = 123412019204891 is a prime.

It is not a weakly prime, because it can be changed into another prime (123412021312043) 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, 61706010651021 + 61706010651022.

It is an arithmetic number, because the mean of its divisors is an integer number (61706010651022).

Almost surely, 2^{123412021302043} is an apocalyptic number.

123412021302043 is a deficient number, since it is larger than the sum of its proper divisors (1).

123412021302043 is an equidigital number, since it uses as much as digits as its factorization.

123412021302043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 123412021302043 its reverse (340203120214321), we get a palindrome (463615141516364).

The spelling of 123412021302043 in words is "one hundred twenty-three trillion, four hundred twelve billion, twenty-one million, three hundred two thousand, forty-three".