656212353143 has 2 divisors, whose sum is σ = 656212353144. Its totient is φ = 656212353142.

The previous prime is 656212353103. The next prime is 656212353179. The reversal of 656212353143 is 341353212656.

656212353143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 656212353143 - 2¹² = 656212349047 is a prime.

It is a super-2 number, since 2×656212353143² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 656212353143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (656212353103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328106176571 + 328106176572.

It is an arithmetic number, because the mean of its divisors is an integer number (328106176572).

Almost surely, 2^656212353143 is an apocalyptic number.

656212353143 is a deficient number, since it is larger than the sum of its proper divisors (1).

656212353143 is an equidigital number, since it uses as much as digits as its factorization.

656212353143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 41.

Adding to 656212353143 its reverse (341353212656), we get a palindrome (997565565799).

The spelling of 656212353143 in words is "six hundred fifty-six billion, two hundred twelve million, three hundred fifty-three thousand, one hundred forty-three".