56723510189 has 4 divisors (see below), whose sum is σ = 56734990656. Its totient is φ = 56712029724.

The previous prime is 56723510183. The next prime is 56723510237. The reversal of 56723510189 is 98101532765.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56723510189 - 2³² = 52428542893 is a prime.

It is a super-3 number, since 3×56723510189³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56723510183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5732819 + ... + 5742704.

It is an arithmetic number, because the mean of its divisors is an integer number (14183747664).

Almost surely, 2^56723510189 is an apocalyptic number.

It is an amenable number.

56723510189 is a deficient number, since it is larger than the sum of its proper divisors (11480467).

56723510189 is a wasteful number, since it uses less digits than its factorization.

56723510189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11480466.

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 56723510189 in words is "fifty-six billion, seven hundred twenty-three million, five hundred ten thousand, one hundred eighty-nine".