230189389056 has 144 divisors (see below), whose sum is σ = 742593539520. Its totient is φ = 69754337280.

The previous prime is 230189389051. The next prime is 230189389091. The reversal of 230189389056 is 650983981032.

230189389056 is a `hidden beast` number, since 2 + 30 + 189 + 389 + 0 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×230189389056² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 230189388993 and 230189389011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230189389051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1437735 + ... + 1589798.

It is an arithmetic number, because the mean of its divisors is an integer number (5156899580).

Almost surely, 2^230189389056 is an apocalyptic number.

It is an amenable number.

230189389056 is an abundant number, since it is smaller than the sum of its proper divisors (512404150464).

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

230189389056 is a wasteful number, since it uses less digits than its factorization.

230189389056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027569 (or 3027549 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 230189389056 in words is "two hundred thirty billion, one hundred eighty-nine million, three hundred eighty-nine thousand, fifty-six".