56432015123 has 16 divisors (see below), whose sum is σ = 62224962912. Its totient is φ = 50750400000.

The previous prime is 56432015063. The next prime is 56432015137. The reversal of 56432015123 is 32151023465.

It is a happy number.

56432015123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56432015123 - 2³² = 52137047827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56432015123.

It is not an unprimeable number, because it can be changed into a prime (56432045123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1313165 + ... + 1355457.

It is an arithmetic number, because the mean of its divisors is an integer number (3889060182).

Almost surely, 2^56432015123 is an apocalyptic number.

56432015123 is a deficient number, since it is larger than the sum of its proper divisors (5792947789).

56432015123 is a wasteful number, since it uses less digits than its factorization.

56432015123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43606.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 56432015123 its reverse (32151023465), we get a palindrome (88583038588).

The spelling of 56432015123 in words is "fifty-six billion, four hundred thirty-two million, fifteen thousand, one hundred twenty-three".