230393681 has 8 divisors (see below), whose sum is σ = 263575104. Its totient is φ = 197279280.

The previous prime is 230393663. The next prime is 230393689. The reversal of 230393681 is 186393032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230393681 - 2²² = 226199377 is a prime.

It is a super-4 number, since 4×230393681⁴ (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (230393689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9155 + ... + 23336.

It is an arithmetic number, because the mean of its divisors is an integer number (32946888).

Almost surely, 2^230393681 is an apocalyptic number.

It is an amenable number.

230393681 is a deficient number, since it is larger than the sum of its proper divisors (33181423).

230393681 is a wasteful number, since it uses less digits than its factorization.

230393681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33511.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 230393681 is about 15178.7246170421. The cubic root of 230393681 is about 613.0419413389.

The spelling of 230393681 in words is "two hundred thirty million, three hundred ninety-three thousand, six hundred eighty-one".