124405505423 has 8 divisors (see below), whose sum is σ = 126264192288. Its totient is φ = 122559335424.

The previous prime is 124405505417. The next prime is 124405505431. The reversal of 124405505423 is 324505504421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124405505423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124405502423) 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 in 7 ways as a sum of consecutive naturals, for example, 3109190 + ... + 3148947.

It is an arithmetic number, because the mean of its divisors is an integer number (15783024036).

Almost surely, 2^124405505423 is an apocalyptic number.

124405505423 is a deficient number, since it is larger than the sum of its proper divisors (1858686865).

124405505423 is a wasteful number, since it uses less digits than its factorization.

124405505423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6258433.

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 124405505423 in words is "one hundred twenty-four billion, four hundred five million, five hundred five thousand, four hundred twenty-three".