656001230 has 32 divisors (see below), whose sum is σ = 1248645888. Its totient is φ = 247737600.

The previous prime is 656001211. The next prime is 656001293. The reversal of 656001230 is 32100656.

656001230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×656001230² = 860675227523025800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 656001196 and 656001205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13097 + ... + 38516.

It is an arithmetic number, because the mean of its divisors is an integer number (39020184).

Almost surely, 2^656001230 is an apocalyptic number.

656001230 is a deficient number, since it is larger than the sum of its proper divisors (592644658).

656001230 is a wasteful number, since it uses less digits than its factorization.

656001230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51692.

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

The square root of 656001230 is about 25612.5209614360. The cubic root of 656001230 is about 868.8968402136.

Adding to 656001230 its reverse (32100656), we get a palindrome (688101886).

The spelling of 656001230 in words is "six hundred fifty-six million, one thousand, two hundred thirty".