230563644 has 12 divisors (see below), whose sum is σ = 537981864. Its totient is φ = 76854544.

The previous prime is 230563607. The next prime is 230563649. The reversal of 230563644 is 446365032.

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

It is a super-3 number, since 3×230563644³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230563649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9606807 + ... + 9606830.

It is an arithmetic number, because the mean of its divisors is an integer number (44831822).

Almost surely, 2^230563644 is an apocalyptic number.

It is an amenable number.

230563644 is an abundant number, since it is smaller than the sum of its proper divisors (307418220).

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

230563644 is a wasteful number, since it uses less digits than its factorization.

230563644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19213644 (or 19213642 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 230563644 is about 15184.3223095402. The cubic root of 230563644 is about 613.1926527009.

The spelling of 230563644 in words is "two hundred thirty million, five hundred sixty-three thousand, six hundred forty-four".