230443421 has 8 divisors (see below), whose sum is σ = 252239064. Its totient is φ = 209229120.

The previous prime is 230443403. The next prime is 230443427. The reversal of 230443421 is 124344032.

It can be written as a sum of positive squares in 4 ways, for example, as 12880921 + 217562500 = 3589^2 + 14750^2 .

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 230443421 - 2⁶ = 230443357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230443427) 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, 144506 + ... + 146091.

It is an arithmetic number, because the mean of its divisors is an integer number (31529883).

Almost surely, 2^230443421 is an apocalyptic number.

It is an amenable number.

230443421 is a deficient number, since it is larger than the sum of its proper divisors (21795643).

230443421 is a wasteful number, since it uses less digits than its factorization.

230443421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290671.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 230443421 is about 15180.3630061998. The cubic root of 230443421 is about 613.0860549795.

Adding to 230443421 its reverse (124344032), we get a palindrome (354787453).

The spelling of 230443421 in words is "two hundred thirty million, four hundred forty-three thousand, four hundred twenty-one".