56423407320 has 384 divisors, whose sum is σ = 223340457600. Its totient is φ = 12059394048.

The previous prime is 56423407277. The next prime is 56423407331. The reversal of 56423407320 is 2370432465.

56423407320 is a `hidden beast` number, since 5 + 642 + 3 + 4 + 0 + 7 + 3 + 2 + 0 = 666.

56423407320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6721686 + ... + 6730074.

It is an arithmetic number, because the mean of its divisors is an integer number (581615775).

Almost surely, 2^56423407320 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 56423407320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111670228800).

56423407320 is an abundant number, since it is smaller than the sum of its proper divisors (166917050280).

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

56423407320 is a wasteful number, since it uses less digits than its factorization.

56423407320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8587 (or 8580 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

Adding to 56423407320 its reverse (2370432465), we get a palindrome (58793839785).

The spelling of 56423407320 in words is "fifty-six billion, four hundred twenty-three million, four hundred seven thousand, three hundred twenty".