56570423520203 has 2 divisors, whose sum is σ = 56570423520204. Its totient is φ = 56570423520202.

The previous prime is 56570423520139. The next prime is 56570423520307. The reversal of 56570423520203 is 30202532407565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56570423520203 - 2⁶ = 56570423520139 is a prime.

It is a super-2 number, since 2×56570423520203² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (56570423520803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28285211760101 + 28285211760102.

It is an arithmetic number, because the mean of its divisors is an integer number (28285211760102).

Almost surely, 2^{56570423520203} is an apocalyptic number.

56570423520203 is a deficient number, since it is larger than the sum of its proper divisors (1).

56570423520203 is an equidigital number, since it uses as much as digits as its factorization.

56570423520203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512000, while the sum is 44.

Adding to 56570423520203 its reverse (30202532407565), we get a palindrome (86772955927768).

The spelling of 56570423520203 in words is "fifty-six trillion, five hundred seventy billion, four hundred twenty-three million, five hundred twenty thousand, two hundred three".