123624545279 has 2 divisors, whose sum is σ = 123624545280. Its totient is φ = 123624545278.

The previous prime is 123624545273. The next prime is 123624545321. The reversal of 123624545279 is 972545426321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123624545279 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123624545273) 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, 61812272639 + 61812272640.

It is an arithmetic number, because the mean of its divisors is an integer number (61812272640).

Almost surely, 2^123624545279 is an apocalyptic number.

123624545279 is a deficient number, since it is larger than the sum of its proper divisors (1).

123624545279 is an equidigital number, since it uses as much as digits as its factorization.

123624545279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 50.

The spelling of 123624545279 in words is "one hundred twenty-three billion, six hundred twenty-four million, five hundred forty-five thousand, two hundred seventy-nine".