56368642523 has 2 divisors, whose sum is σ = 56368642524. Its totient is φ = 56368642522.

The previous prime is 56368642469. The next prime is 56368642543. The reversal of 56368642523 is 32524686365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56368642523 - 2¹² = 56368638427 is a prime.

It is not a weakly prime, because it can be changed into another prime (56368642543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28184321261 + 28184321262.

It is an arithmetic number, because the mean of its divisors is an integer number (28184321262).

Almost surely, 2^56368642523 is an apocalyptic number.

56368642523 is a deficient number, since it is larger than the sum of its proper divisors (1).

56368642523 is an equidigital number, since it uses as much as digits as its factorization.

56368642523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6220800, while the sum is 50.

The spelling of 56368642523 in words is "fifty-six billion, three hundred sixty-eight million, six hundred forty-two thousand, five hundred twenty-three".