56523923 has 2 divisors, whose sum is σ = 56523924. Its totient is φ = 56523922.

The previous prime is 56523889. The next prime is 56523977. The reversal of 56523923 is 32932565.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56523923 - 2²² = 52329619 is a prime.

It is not a weakly prime, because it can be changed into another prime (56523983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28261961 + 28261962.

It is an arithmetic number, because the mean of its divisors is an integer number (28261962).

Almost surely, 2^56523923 is an apocalyptic number.

56523923 is a deficient number, since it is larger than the sum of its proper divisors (1).

56523923 is an equidigital number, since it uses as much as digits as its factorization.

56523923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 35.

The square root of 56523923 is about 7518.2393550618. The cubic root of 56523923 is about 383.7756642323.

The spelling of 56523923 in words is "fifty-six million, five hundred twenty-three thousand, nine hundred twenty-three".