5123422656 has 504 divisors, whose sum is σ = 17549073360. Its totient is φ = 1423319040.

The previous prime is 5123422649. The next prime is 5123422679. The reversal of 5123422656 is 6562243215.

5123422656 is a `hidden beast` number, since 51 + 2 + 342 + 265 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 5123422656.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 70183836 + ... + 70183908.

It is an arithmetic number, because the mean of its divisors is an integer number (34819590).

Almost surely, 2^5123422656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5123422656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8774536680).

5123422656 is an abundant number, since it is smaller than the sum of its proper divisors (12425650704).

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

5123422656 is a wasteful number, since it uses less digits than its factorization.

5123422656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 161 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 5123422656 is about 71578.0878202261. The cubic root of 5123422656 is about 1723.9317231875.

The spelling of 5123422656 in words is "five billion, one hundred twenty-three million, four hundred twenty-two thousand, six hundred fifty-six".