656203013230 has 16 divisors (see below), whose sum is σ = 1201185177840. Its totient is φ = 258032371072.

The previous prime is 656203013203. The next prime is 656203013261. The reversal of 656203013230 is 32310302656.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 656203013192 and 656203013201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556103659 + ... + 556104838.

It is an arithmetic number, because the mean of its divisors is an integer number (75074073615).

Almost surely, 2^656203013230 is an apocalyptic number.

656203013230 is a deficient number, since it is larger than the sum of its proper divisors (544982164610).

656203013230 is a wasteful number, since it uses less digits than its factorization.

656203013230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112208563.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 656203013230 its reverse (32310302656), we get a palindrome (688513315886).

The spelling of 656203013230 in words is "six hundred fifty-six billion, two hundred three million, thirteen thousand, two hundred thirty".