230304304661556 has 12 divisors (see below), whose sum is σ = 537376710876992. Its totient is φ = 76768101553848.

The previous prime is 230304304661447. The next prime is 230304304661569. The reversal of 230304304661556 is 655166403403032.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×230304304661556² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9596012694220 + ... + 9596012694243.

Almost surely, 2^{230304304661556} is an apocalyptic number.

It is an amenable number.

230304304661556 is an abundant number, since it is smaller than the sum of its proper divisors (307072406215436).

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

230304304661556 is a wasteful number, since it uses less digits than its factorization.

230304304661556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19192025388470 (or 19192025388468 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 48.

The spelling of 230304304661556 in words is "two hundred thirty trillion, three hundred four billion, three hundred four million, six hundred sixty-one thousand, five hundred fifty-six".