230240422521 has 24 divisors (see below), whose sum is σ = 333754925504. Its totient is φ = 152946804960.

The previous prime is 230240422499. The next prime is 230240422523. The reversal of 230240422521 is 125224042032.

230240422521 is a `hidden beast` number, since 2 + 3 + 0 + 2 + 404 + 2 + 252 + 1 = 666.

It is not a de Polignac number, because 230240422521 - 2⁶ = 230240422457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230240422523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10618431 + ... + 10640091.

Almost surely, 2^230240422521 is an apocalyptic number.

It is an amenable number.

230240422521 is a deficient number, since it is larger than the sum of its proper divisors (103514502983).

230240422521 is a wasteful number, since it uses less digits than its factorization.

230240422521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25821 (or 25818 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 230240422521 its reverse (125224042032), we get a palindrome (355464464553).

The spelling of 230240422521 in words is "two hundred thirty billion, two hundred forty million, four hundred twenty-two thousand, five hundred twenty-one".