230143446 has 24 divisors (see below), whose sum is σ = 537001920. Its totient is φ = 70813296.

The previous prime is 230143427. The next prime is 230143453. The reversal of 230143446 is 644341032.

It is a super-3 number, since 3×230143446³ (a number of 26 digits) contains 333 as substring.

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 11 ways as a sum of consecutive naturals, for example, 491526 + ... + 491993.

It is an arithmetic number, because the mean of its divisors is an integer number (22375080).

Almost surely, 2^230143446 is an apocalyptic number.

230143446 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

230143446 is an abundant number, since it is smaller than the sum of its proper divisors (306858474).

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

230143446 is a wasteful number, since it uses less digits than its factorization.

230143446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983540 (or 983537 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 230143446 is about 15170.4794255159. The cubic root of 230143446 is about 612.8199153968.

Adding to 230143446 its reverse (644341032), we get a palindrome (874484478).

The spelling of 230143446 in words is "two hundred thirty million, one hundred forty-three thousand, four hundred forty-six".