56044423 has 2 divisors, whose sum is σ = 56044424. Its totient is φ = 56044422.

The previous prime is 56044411. The next prime is 56044451. The reversal of 56044423 is 32444065.

It is an a-pointer prime, because the next prime (56044451) can be obtained adding 56044423 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56044423 - 2²⁵ = 22489991 is a prime.

It is equal to p_3340792 and since 56044423 and 3340792 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 56044391 and 56044400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56044403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28022211 + 28022212.

It is an arithmetic number, because the mean of its divisors is an integer number (28022212).

Almost surely, 2^56044423 is an apocalyptic number.

56044423 is a deficient number, since it is larger than the sum of its proper divisors (1).

56044423 is an equidigital number, since it uses as much as digits as its factorization.

56044423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 56044423 is about 7486.2823216868. The cubic root of 56044423 is about 382.6873742708.

Adding to 56044423 its reverse (32444065), we get a palindrome (88488488).

The spelling of 56044423 in words is "fifty-six million, forty-four thousand, four hundred twenty-three".