123424104149 has 2 divisors, whose sum is σ = 123424104150. Its totient is φ = 123424104148.

The previous prime is 123424104079. The next prime is 123424104151. The reversal of 123424104149 is 941401424321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118959459025 + 4464645124 = 344905^2 + 66818^2 .

It is a cyclic number.

It is not a de Polignac number, because 123424104149 - 2⁸ = 123424103893 is a prime.

Together with 123424104151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123424104649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61712052074 + 61712052075.

It is an arithmetic number, because the mean of its divisors is an integer number (61712052075).

Almost surely, 2^123424104149 is an apocalyptic number.

It is an amenable number.

123424104149 is a deficient number, since it is larger than the sum of its proper divisors (1).

123424104149 is an equidigital number, since it uses as much as digits as its factorization.

123424104149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 123424104149 in words is "one hundred twenty-three billion, four hundred twenty-four million, one hundred four thousand, one hundred forty-nine".