124320103123 has 2 divisors, whose sum is σ = 124320103124. Its totient is φ = 124320103122.

The previous prime is 124320103121. The next prime is 124320103147. The reversal of 124320103123 is 321301023421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124320103123 - 2¹ = 124320103121 is a prime.

Together with 124320103121, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 124320103094 and 124320103103.

It is not a weakly prime, because it can be changed into another prime (124320103121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62160051561 + 62160051562.

It is an arithmetic number, because the mean of its divisors is an integer number (62160051562).

Almost surely, 2^124320103123 is an apocalyptic number.

124320103123 is a deficient number, since it is larger than the sum of its proper divisors (1).

124320103123 is an equidigital number, since it uses as much as digits as its factorization.

124320103123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 124320103123 its reverse (321301023421), we get a palindrome (445621126544).

The spelling of 124320103123 in words is "one hundred twenty-four billion, three hundred twenty million, one hundred three thousand, one hundred twenty-three".