230940639056 has 20 divisors (see below), whose sum is σ = 447496667904. Its totient is φ = 115457628000.

The previous prime is 230940639043. The next prime is 230940639079. The reversal of 230940639056 is 650936049032.

230940639056 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 2×230940639056² (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 230940639056.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642230 + ... + 935061.

Almost surely, 2^230940639056 is an apocalyptic number.

It is an amenable number.

230940639056 is a deficient number, since it is larger than the sum of its proper divisors (216556028848).

230940639056 is a wasteful number, since it uses less digits than its factorization.

230940639056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586450 (or 1586444 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 47.

The spelling of 230940639056 in words is "two hundred thirty billion, nine hundred forty million, six hundred thirty-nine thousand, fifty-six".