56723443 has 4 divisors (see below), whose sum is σ = 64826800. Its totient is φ = 48620088.

The previous prime is 56723431. The next prime is 56723453. The reversal of 56723443 is 34432765.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56723443 - 2⁵ = 56723411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56723399 and 56723408.

It is not an unprimeable number, because it can be changed into a prime (56723453) 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, 4051668 + ... + 4051681.

It is an arithmetic number, because the mean of its divisors is an integer number (16206700).

Almost surely, 2^56723443 is an apocalyptic number.

56723443 is a deficient number, since it is larger than the sum of its proper divisors (8103357).

56723443 is an equidigital number, since it uses as much as digits as its factorization.

56723443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8103356.

The product of its digits is 60480, while the sum is 34.

The square root of 56723443 is about 7531.4967303983. The cubic root of 56723443 is about 384.2266886160.

The spelling of 56723443 in words is "fifty-six million, seven hundred twenty-three thousand, four hundred forty-three".