230232032221 has 4 divisors (see below), whose sum is σ = 230245950844. Its totient is φ = 230218113600.

The previous prime is 230232032207. The next prime is 230232032237. The reversal of 230232032221 is 122230232032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19289320996 + 210942711225 = 138886^2 + 459285^2 .

It is a cyclic number.

It is not a de Polignac number, because 230232032221 - 2⁹ = 230232031709 is a prime.

It is a super-2 number, since 2×230232032221² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230232032192 and 230232032201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230232032021) 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, 6934470 + ... + 6967591.

It is an arithmetic number, because the mean of its divisors is an integer number (57561487711).

Almost surely, 2^230232032221 is an apocalyptic number.

It is an amenable number.

230232032221 is a deficient number, since it is larger than the sum of its proper divisors (13918623).

230232032221 is a wasteful number, since it uses less digits than its factorization.

230232032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13918622.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 230232032221 its reverse (122230232032), we get a palindrome (352462264253).

The spelling of 230232032221 in words is "two hundred thirty billion, two hundred thirty-two million, thirty-two thousand, two hundred twenty-one".