56004023 has 2 divisors, whose sum is σ = 56004024. Its totient is φ = 56004022.

The previous prime is 56004007. The next prime is 56004037. The reversal of 56004023 is 32040065.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56004023 - 2⁴ = 56004007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56003986 and 56004004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56004083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28002011 + 28002012.

It is an arithmetic number, because the mean of its divisors is an integer number (28002012).

Almost surely, 2^56004023 is an apocalyptic number.

56004023 is a deficient number, since it is larger than the sum of its proper divisors (1).

56004023 is an equidigital number, since it uses as much as digits as its factorization.

56004023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 56004023 is about 7483.5835667145. The cubic root of 56004023 is about 382.5953979091.

Adding to 56004023 its reverse (32040065), we get a palindrome (88044088).

The spelling of 56004023 in words is "fifty-six million, four thousand, twenty-three".