124823256404 has 144 divisors (see below), whose sum is σ = 284390346240. Its totient is φ = 47377794240.

The previous prime is 124823256403. The next prime is 124823256419. The reversal of 124823256404 is 404652328421.

It is a super-2 number, since 2×124823256404² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124823256403) 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 in 47 ways as a sum of consecutive naturals, for example, 40697279 + ... + 40700345.

It is an arithmetic number, because the mean of its divisors is an integer number (1974932960).

Almost surely, 2^124823256404 is an apocalyptic number.

124823256404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124823256404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142195173120).

124823256404 is an abundant number, since it is smaller than the sum of its proper divisors (159567089836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124823256404 is a wasteful number, since it uses less digits than its factorization.

124823256404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3578 (or 3569 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 41.

The spelling of 124823256404 in words is "one hundred twenty-four billion, eight hundred twenty-three million, two hundred fifty-six thousand, four hundred four".