230004210521 has 2 divisors, whose sum is σ = 230004210522. Its totient is φ = 230004210520.

The previous prime is 230004210503. The next prime is 230004210563. The reversal of 230004210521 is 125012400032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229885727296 + 118483225 = 479464^2 + 10885^2 .

It is a cyclic number.

It is not a de Polignac number, because 230004210521 - 2¹⁰ = 230004209497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230004210493 and 230004210502.

It is not a weakly prime, because it can be changed into another prime (230004215521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115002105260 + 115002105261.

It is an arithmetic number, because the mean of its divisors is an integer number (115002105261).

Almost surely, 2^230004210521 is an apocalyptic number.

It is an amenable number.

230004210521 is a deficient number, since it is larger than the sum of its proper divisors (1).

230004210521 is an equidigital number, since it uses as much as digits as its factorization.

230004210521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 230004210521 its reverse (125012400032), we get a palindrome (355016610553).

The spelling of 230004210521 in words is "two hundred thirty billion, four million, two hundred ten thousand, five hundred twenty-one".