656230100 has 36 divisors (see below), whose sum is σ = 1450899324. Its totient is φ = 257537280.

The previous prime is 656230079. The next prime is 656230109. The reversal of 656230100 is 1032656.

656230100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 85784644 + 570445456 = 9262^2 + 23884^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656230109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56609 + ... + 67208.

It is an arithmetic number, because the mean of its divisors is an integer number (40302759).

Almost surely, 2^656230100 is an apocalyptic number.

It is an amenable number.

656230100 is an abundant number, since it is smaller than the sum of its proper divisors (794669224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

656230100 is a wasteful number, since it uses less digits than its factorization.

656230100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123884 (or 123877 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 656230100 is about 25616.9885037254. The cubic root of 656230100 is about 868.9978772687.

Adding to 656230100 its reverse (1032656), we get a palindrome (657262756).

The spelling of 656230100 in words is "six hundred fifty-six million, two hundred thirty thousand, one hundred".