123124321423 has 2 divisors, whose sum is σ = 123124321424. Its totient is φ = 123124321422.

The previous prime is 123124321399. The next prime is 123124321427. The reversal of 123124321423 is 324123421321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123124321423 - 2⁹ = 123124320911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123124321391 and 123124321400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123124321427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61562160711 + 61562160712.

It is an arithmetic number, because the mean of its divisors is an integer number (61562160712).

Almost surely, 2^123124321423 is an apocalyptic number.

123124321423 is a deficient number, since it is larger than the sum of its proper divisors (1).

123124321423 is an equidigital number, since it uses as much as digits as its factorization.

123124321423 is an odious number, because the sum of its binary digits is odd.

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

Adding to 123124321423 its reverse (324123421321), we get a palindrome (447247742744).

The spelling of 123124321423 in words is "one hundred twenty-three billion, one hundred twenty-four million, three hundred twenty-one thousand, four hundred twenty-three".