56736144123 has 16 divisors (see below), whose sum is σ = 76333378560. Its totient is φ = 37481641344.

The previous prime is 56736144119. The next prime is 56736144139. The reversal of 56736144123 is 32144163765.

It is not a de Polignac number, because 56736144123 - 2² = 56736144119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56736144163) 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, 1965090 + ... + 1993752.

It is an arithmetic number, because the mean of its divisors is an integer number (4770836160).

Almost surely, 2^56736144123 is an apocalyptic number.

56736144123 is a deficient number, since it is larger than the sum of its proper divisors (19597234437).

56736144123 is a wasteful number, since it uses less digits than its factorization.

56736144123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34618.

The product of its digits is 362880, while the sum is 42.

The spelling of 56736144123 in words is "fifty-six billion, seven hundred thirty-six million, one hundred forty-four thousand, one hundred twenty-three".